{"title":"Return \/ Aluminum - Cube Core","description":"","products":[{"product_id":"6in-x-6in-cube-core-eggcrate-return-air-grille-aluminum-rust-prrof-hvac-vent-duct-cover-white-outer-dimensions-85w-x-85h","title":"6\" x 6\" Cube Core Eggcrate Return Air Grille","description":"\u003cdiv style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\n\u003cdl class=\"accordion\"\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Details\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSize\u003c\/b\u003e – 6\" x 6\" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 7.75\" X 7.75\".\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh Quality\u003c\/b\u003e – High-quality, rust-free aluminum construction with smooth finished edges and counter-sunk screw holes (screws included); no sharp edges.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInstallation Location\u003c\/b\u003e – sidewall and ceiling.\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDesign\u003c\/b\u003e – Cubic core eggcrate design Offers highest airflow efficiency at almost 95%, reducing electric bills and extending HVAC machine lifespan; provides a modern look and quiet operation due to its half-inch by half-inch cube design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePowder-Coat Finish\u003c\/b\u003e – Smooth, shiny, scratch-resistant, beautiful. Looks like it was just waxed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eQuality Packaging\u003c\/b\u003e – Carefully shrink wrapped with cardboard backing to prevent damage in shipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Description\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eEnhance your ventilation system with our high-quality grilles and registers. Designed for optimal air flow and lasting durability, our carefully crafted products offer superior performance. With precise measurements and easy installation, they seamlessly integrate into your space, ensuring a perfect fit. Experience the difference in quality with our sleek design and hassle-free functionality. Elevate your air system today and enjoy improved aesthetics and efficient airflow for a comfortable living environment.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eHow To Measure A Grille\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003e\u003cstrong\u003eOverall Size:\u003c\/strong\u003e\u003cbr\u003e Measure the size of the air duct\/drywall opening. Do not measure the overall size of the register itself, only measure the \"hole\" in the wall\/duct. Every grille has a front end frame that will overlap at the wall joint. The total outer size of this grille is the listed size plus 1.75\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWidth vs Height:\u003c\/strong\u003e\u003cbr\u003e The first number in a grille size represents the width, and the second number represents the height. For example, if your hole is 20\" wide by 14\" tall, order a 20x14 grille. If your hole is 14\" wide by 20\" tall, order a 14x20 grille.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eWhy Hvac Premium\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eHVAC Premium has been providing superior quality service for many years. We pride ourselves on offering top-of-the-line products that meet the highest standards. With our extensive selection of Grilles, Registers, and Diffusers, we have assisted countless contractors, DIY projects, and home improvement remodeling specialists in completing their masterpieces. If you are looking to enhance your project with a top-of-the-line unit, look no further than HVAC Premium.\u003c\/p\u003e\n\u003cp\u003eWe carry sizes the big box stores don't, ensuring that you find the perfect fit for your ventilation needs. We are proud to have served over 5,000,000 satisfied customers!\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\u003c!--\n  .plus {\n    display: inline-block;\n    width: 20px;\n    height: 20px;\n    background-color: #000;\n    color: #fff;\n    font-size: 14px;\n    text-align: center;\n    line-height: 20px;\n    margin-right: 8px;\n    border-radius: 50%;\n  }\n\n  .accordion-title {\n    font-size: 18px;\n  }\n--\u003e\u003c\/style\u003e\n\u003cscript\u003e\n  function toggleAccordion(event) {\n    event.preventDefault();\n    const dt = event.target.closest('dt');\n    const dd = dt.nextElementSibling;\n\n    if (dd.style.display === 'none') {\n      dd.style.display = 'block';\n      dt.querySelector('.plus').textContent = '-';\n    } else {\n      dd.style.display = 'none';\n      dt.querySelector('.plus').textContent = '+';\n    }\n  }\n\u003c\/script\u003e","brand":"HVAC Premium","offers":[{"title":"Default Title","offer_id":15783474167874,"sku":"CRG66","price":20.17,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/8213\/6898\/products\/6-x-6-cube-core-eggcrate-return-air-grillereturn-807839.jpg?v=1743794169"},{"product_id":"8in-x-8in-cube-core-eggcrate-return-air-grille-aluminum-rust-proof-hvac-vent-duct-cover-white-outer-dimensions-975w-x-975h","title":"8\" x 8\" Cube Core Eggcrate Return Air Grille","description":"\u003cdiv style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\n\u003cdl class=\"accordion\"\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Details\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSize\u003c\/b\u003e – 8\" x 8\" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 9.75\" X 9.75\".\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh Quality\u003c\/b\u003e – High-quality, rust-free aluminum construction with smooth finished edges and counter-sunk screw holes (screws included); no sharp edges..\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInstallation Location\u003c\/b\u003e – sidewall and ceiling.\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDesign\u003c\/b\u003e – Cubic core eggcrate design Offers highest airflow efficiency at almost 95%, reducing electric bills and extending HVAC machine lifespan; provides a modern look and quiet operation due to its half-inch by half-inch cube design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePowder-Coat Finish\u003c\/b\u003e – Smooth, shiny, scratch-resistant, beautiful. Looks like it was just waxed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eQuality Packaging\u003c\/b\u003e – Carefully shrink wrapped with cardboard backing to prevent damage in shipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Description\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eEnhance your ventilation system with our high-quality grilles and registers. Designed for optimal air flow and lasting durability, our carefully crafted products offer superior performance. With precise measurements and easy installation, they seamlessly integrate into your space, ensuring a perfect fit. Experience the difference in quality with our sleek design and hassle-free functionality. Elevate your air system today and enjoy improved aesthetics and efficient airflow for a comfortable living environment.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eHow To Measure A Grille\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003e\u003cstrong\u003eOverall Size:\u003c\/strong\u003e\u003cbr\u003e Measure the size of the air duct\/drywall opening. Do not measure the overall size of the register itself, only measure the \"hole\" in the wall\/duct. Every grille has a front end frame that will overlap at the wall joint. The total outer size of this grille is the listed size plus 1.75\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWidth vs Height:\u003c\/strong\u003e\u003cbr\u003e The first number in a grille size represents the width, and the second number represents the height. For example, if your hole is 20\" wide by 14\" tall, order a 20x14 grille. If your hole is 14\" wide by 20\" tall, order a 14x20 grille.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eWhy Hvac Premium\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eHVAC Premium has been providing superior quality service for many years. We pride ourselves on offering top-of-the-line products that meet the highest standards. With our extensive selection of Grilles, Registers, and Diffusers, we have assisted countless contractors, DIY projects, and home improvement remodeling specialists in completing their masterpieces. If you are looking to enhance your project with a top-of-the-line unit, look no further than HVAC Premium.\u003c\/p\u003e\n\u003cp\u003eWe carry sizes the big box stores don't, ensuring that you find the perfect fit for your ventilation needs. We are proud to have served over 5,000,000 satisfied customers!\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\u003c!--\n  .plus {\n    display: inline-block;\n    width: 20px;\n    height: 20px;\n    background-color: #000;\n    color: #fff;\n    font-size: 14px;\n    text-align: center;\n    line-height: 20px;\n    margin-right: 8px;\n    border-radius: 50%;\n  }\n\n  .accordion-title {\n    font-size: 18px;\n  }\n--\u003e\u003c\/style\u003e\n\u003cscript\u003e\n  function toggleAccordion(event) {\n    event.preventDefault();\n    const dt = event.target.closest('dt');\n    const dd = dt.nextElementSibling;\n\n    if (dd.style.display === 'none') {\n      dd.style.display = 'block';\n      dt.querySelector('.plus').textContent = '-';\n    } else {\n      dd.style.display = 'none';\n      dt.querySelector('.plus').textContent = '+';\n    }\n  }\n\u003c\/script\u003e","brand":"HVAC Premium","offers":[{"title":"Default Title","offer_id":15783474266178,"sku":"CRG88","price":27.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/8213\/6898\/products\/8-x-8-cube-core-eggcrate-return-air-grillereturn-972937.jpg?v=1743794169"},{"product_id":"6in-x-12in-cube-core-eggcrate-return-air-grille-aluminum-rust-prrof-hvac-vent-duct-cover-white-outer-dimensions-85w-x-145h","title":"6\" x 12\" or 12\" x 6\" Cube Core Eggcrate Return Air Grille","description":"\u003cdiv style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\n\u003cdl class=\"accordion\"\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Details\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSize\u003c\/b\u003e – 6\" x 12\" or 12\" x 6\" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 8.5\" X 14.5\".\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh Quality\u003c\/b\u003e – High-quality, rust-free aluminum construction with smooth finished edges and counter-sunk screw holes (screws included); no sharp edges..\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInstallation Location\u003c\/b\u003e – sidewall and ceiling.\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDesign\u003c\/b\u003e – Cubic core eggcrate design Offers highest airflow efficiency at almost 95%, reducing electric bills and extending HVAC machine lifespan; provides a modern look and quiet operation due to its half-inch by half-inch cube design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePowder-Coat Finish\u003c\/b\u003e – Smooth, shiny, scratch-resistant, beautiful. Looks like it was just waxed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eQuality Packaging\u003c\/b\u003e – Carefully shrink wrapped with cardboard backing to prevent damage in shipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Description\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eEnhance your ventilation system with our high-quality grilles and registers. Designed for optimal air flow and lasting durability, our carefully crafted products offer superior performance. With precise measurements and easy installation, they seamlessly integrate into your space, ensuring a perfect fit. Experience the difference in quality with our sleek design and hassle-free functionality. Elevate your air system today and enjoy improved aesthetics and efficient airflow for a comfortable living environment.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eHow To Measure A Grille\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003e\u003cstrong\u003eOverall Size:\u003c\/strong\u003e\u003cbr\u003e Measure the size of the air duct\/drywall opening. Do not measure the overall size of the register itself, only measure the \"hole\" in the wall\/duct. Every grille has a front end frame that will overlap at the wall joint. The total outer size of this grille is the listed size plus 1.75\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWidth vs Height:\u003c\/strong\u003e\u003cbr\u003e The first number in a grille size represents the width, and the second number represents the height. For example, if your hole is 20\" wide by 14\" tall, order a 20x14 grille. If your hole is 14\" wide by 20\" tall, order a 14x20 grille.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eWhy Hvac Premium\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eHVAC Premium has been providing superior quality service for many years. We pride ourselves on offering top-of-the-line products that meet the highest standards. With our extensive selection of Grilles, Registers, and Diffusers, we have assisted countless contractors, DIY projects, and home improvement remodeling specialists in completing their masterpieces. If you are looking to enhance your project with a top-of-the-line unit, look no further than HVAC Premium.\u003c\/p\u003e\n\u003cp\u003eWe carry sizes the big box stores don't, ensuring that you find the perfect fit for your ventilation needs. We are proud to have served over 5,000,000 satisfied customers!\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\u003c!--\n  .plus {\n    display: inline-block;\n    width: 20px;\n    height: 20px;\n    background-color: #000;\n    color: #fff;\n    font-size: 14px;\n    text-align: center;\n    line-height: 20px;\n    margin-right: 8px;\n    border-radius: 50%;\n  }\n\n  .accordion-title {\n    font-size: 18px;\n  }\n--\u003e\u003c\/style\u003e\n\u003cscript\u003e\n  function toggleAccordion(event) {\n    event.preventDefault();\n    const dt = event.target.closest('dt');\n    const dd = dt.nextElementSibling;\n\n    if (dd.style.display === 'none') {\n      dd.style.display = 'block';\n      dt.querySelector('.plus').textContent = '-';\n    } else {\n      dd.style.display = 'none';\n      dt.querySelector('.plus').textContent = '+';\n    }\n  }\n\u003c\/script\u003e","brand":"HVAC Premium","offers":[{"title":"Default Title","offer_id":15783474364482,"sku":"CRG612","price":29.46,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/8213\/6898\/products\/6-x-12-or-12-x-6-cube-core-eggcrate-return-air-grillereturn-431799.jpg?v=1743794170"},{"product_id":"6in-x-14in-cube-core-eggcrate-return-air-grille-aluminum-rust-prrof-hvac-vent-duct-cover-white-outer-dimensions-85w-x-165h","title":"6\" x 14\" or 14\" x 6\" Cube Core Eggcrate Return Air Grille","description":"\u003cdiv style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\n\u003cdl class=\"accordion\"\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Details\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSize\u003c\/b\u003e – 6\" x 14\" or 14\" x 6\" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 7.75\" X 15.75\".\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh Quality\u003c\/b\u003e – High-quality, rust-free aluminum construction with smooth finished edges and counter-sunk screw holes (screws included); no sharp edges..\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInstallation Location\u003c\/b\u003e – sidewall and ceiling.\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDesign\u003c\/b\u003e – Cubic core eggcrate design Offers highest airflow efficiency at almost 95%, reducing electric bills and extending HVAC machine lifespan; provides a modern look and quiet operation due to its half-inch by half-inch cube design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePowder-Coat Finish\u003c\/b\u003e – Smooth, shiny, scratch-resistant, beautiful. Looks like it was just waxed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eQuality Packaging\u003c\/b\u003e – Carefully shrink wrapped with cardboard backing to prevent damage in shipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Description\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eEnhance your ventilation system with our high-quality grilles and registers. Designed for optimal air flow and lasting durability, our carefully crafted products offer superior performance. With precise measurements and easy installation, they seamlessly integrate into your space, ensuring a perfect fit. Experience the difference in quality with our sleek design and hassle-free functionality. Elevate your air system today and enjoy improved aesthetics and efficient airflow for a comfortable living environment.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eHow To Measure A Grille\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003e\u003cstrong\u003eOverall Size:\u003c\/strong\u003e\u003cbr\u003e Measure the size of the air duct\/drywall opening. Do not measure the overall size of the register itself, only measure the \"hole\" in the wall\/duct. Every grille has a front end frame that will overlap at the wall joint. The total outer size of this grille is the listed size plus 1.75\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWidth vs Height:\u003c\/strong\u003e\u003cbr\u003e The first number in a grille size represents the width, and the second number represents the height. For example, if your hole is 20\" wide by 14\" tall, order a 20x14 grille. If your hole is 14\" wide by 20\" tall, order a 14x20 grille.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eWhy Hvac Premium\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eHVAC Premium has been providing superior quality service for many years. We pride ourselves on offering top-of-the-line products that meet the highest standards. With our extensive selection of Grilles, Registers, and Diffusers, we have assisted countless contractors, DIY projects, and home improvement remodeling specialists in completing their masterpieces. If you are looking to enhance your project with a top-of-the-line unit, look no further than HVAC Premium.\u003c\/p\u003e\n\u003cp\u003eWe carry sizes the big box stores don't, ensuring that you find the perfect fit for your ventilation needs. We are proud to have served over 5,000,000 satisfied customers!\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\u003c!--\n  .plus {\n    display: inline-block;\n    width: 20px;\n    height: 20px;\n    background-color: #000;\n    color: #fff;\n    font-size: 14px;\n    text-align: center;\n    line-height: 20px;\n    margin-right: 8px;\n    border-radius: 50%;\n  }\n\n  .accordion-title {\n    font-size: 18px;\n  }\n--\u003e\u003c\/style\u003e\n\u003cscript\u003e\n  function toggleAccordion(event) {\n    event.preventDefault();\n    const dt = event.target.closest('dt');\n    const dd = dt.nextElementSibling;\n\n    if (dd.style.display === 'none') {\n      dd.style.display = 'block';\n      dt.querySelector('.plus').textContent = '-';\n    } else {\n      dd.style.display = 'none';\n      dt.querySelector('.plus').textContent = '+';\n    }\n  }\n\u003c\/script\u003e","brand":"HVAC Premium","offers":[{"title":"Default Title","offer_id":15783474495554,"sku":"CRG614","price":28.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/8213\/6898\/products\/6-x-14-or-14-x-6-cube-core-eggcrate-return-air-grillereturn-498326.jpg?v=1743794167"},{"product_id":"6in-x-16in-cube-core-eggcrate-return-air-grille-aluminum-rust-prrof-hvac-vent-duct-cover-white-outer-dimensions-85w-x-185h","title":"6\" x 16\" or 16\" x 6\" Cube Core Eggcrate Return Air Grille","description":"\u003cdiv style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\n\u003cdl class=\"accordion\"\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Details\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSize\u003c\/b\u003e – 6\" x 16\" or 16\" x 6\" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 8.5\" X 18.5\".\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh Quality\u003c\/b\u003e – High-quality, rust-free aluminum construction with smooth finished edges and counter-sunk screw holes (screws included); no sharp edges..\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInstallation Location\u003c\/b\u003e – sidewall and ceiling.\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDesign\u003c\/b\u003e – Cubic core eggcrate design Offers highest airflow efficiency at almost 95%, reducing electric bills and extending HVAC machine lifespan; provides a modern look and quiet operation due to its half-inch by half-inch cube design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePowder-Coat Finish\u003c\/b\u003e – Smooth, shiny, scratch-resistant, beautiful. Looks like it was just waxed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eQuality Packaging\u003c\/b\u003e – Carefully shrink wrapped with cardboard backing to prevent damage in shipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Description\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eEnhance your ventilation system with our high-quality grilles and registers. Designed for optimal air flow and lasting durability, our carefully crafted products offer superior performance. With precise measurements and easy installation, they seamlessly integrate into your space, ensuring a perfect fit. Experience the difference in quality with our sleek design and hassle-free functionality. Elevate your air system today and enjoy improved aesthetics and efficient airflow for a comfortable living environment.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eHow To Measure A Grille\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003e\u003cstrong\u003eOverall Size:\u003c\/strong\u003e\u003cbr\u003e Measure the size of the air duct\/drywall opening. Do not measure the overall size of the register itself, only measure the \"hole\" in the wall\/duct. Every grille has a front end frame that will overlap at the wall joint. The total outer size of this grille is the listed size plus 1.75\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWidth vs Height:\u003c\/strong\u003e\u003cbr\u003e The first number in a grille size represents the width, and the second number represents the height. For example, if your hole is 20\" wide by 14\" tall, order a 20x14 grille. If your hole is 14\" wide by 20\" tall, order a 14x20 grille.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eWhy Hvac Premium\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eHVAC Premium has been providing superior quality service for many years. We pride ourselves on offering top-of-the-line products that meet the highest standards. With our extensive selection of Grilles, Registers, and Diffusers, we have assisted countless contractors, DIY projects, and home improvement remodeling specialists in completing their masterpieces. If you are looking to enhance your project with a top-of-the-line unit, look no further than HVAC Premium.\u003c\/p\u003e\n\u003cp\u003eWe carry sizes the big box stores don't, ensuring that you find the perfect fit for your ventilation needs. We are proud to have served over 5,000,000 satisfied customers!\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\u003c!--\n  .plus {\n    display: inline-block;\n    width: 20px;\n    height: 20px;\n    background-color: #000;\n    color: #fff;\n    font-size: 14px;\n    text-align: center;\n    line-height: 20px;\n    margin-right: 8px;\n    border-radius: 50%;\n  }\n\n  .accordion-title {\n    font-size: 18px;\n  }\n--\u003e\u003c\/style\u003e\n\u003cscript\u003e\n  function toggleAccordion(event) {\n    event.preventDefault();\n    const dt = event.target.closest('dt');\n    const dd = dt.nextElementSibling;\n\n    if (dd.style.display === 'none') {\n      dd.style.display = 'block';\n      dt.querySelector('.plus').textContent = '-';\n    } else {\n      dd.style.display = 'none';\n      dt.querySelector('.plus').textContent = '+';\n    }\n  }\n\u003c\/script\u003e","brand":"HVAC Premium","offers":[{"title":"Default Title","offer_id":15783476068418,"sku":"CRG616","price":34.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/8213\/6898\/products\/6-x-16-or-16-x-6-cube-core-eggcrate-return-air-grillereturn-664489.jpg?v=1743794169"},{"product_id":"6in-x-24in-cube-core-eggcrate-return-air-grille-aluminum-rust-prrof-hvac-vent-duct-cover-white-outer-dimensions-85w-x-265h","title":"6\" x 24\" or 24\" x 6\" Cube Core Eggcrate Return Air Grille","description":"\u003cdiv style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\n\u003cdl class=\"accordion\"\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Details\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSize\u003c\/b\u003e – 6\" x 24\" or 24\" x 6\" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 8.5\" X 26.5\".\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh Quality\u003c\/b\u003e – High-quality, rust-free aluminum construction with smooth finished edges and counter-sunk screw holes (screws included); no sharp edges..\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInstallation Location\u003c\/b\u003e – sidewall and ceiling.\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDesign\u003c\/b\u003e – Cubic core eggcrate design Offers highest airflow efficiency at almost 95%, reducing electric bills and extending HVAC machine lifespan; provides a modern look and quiet operation due to its half-inch by half-inch cube design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePowder-Coat Finish\u003c\/b\u003e – Smooth, shiny, scratch-resistant, beautiful. Looks like it was just waxed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eQuality Packaging\u003c\/b\u003e – Carefully shrink wrapped with cardboard backing to prevent damage in shipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Description\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eEnhance your ventilation system with our high-quality grilles and registers. Designed for optimal air flow and lasting durability, our carefully crafted products offer superior performance. With precise measurements and easy installation, they seamlessly integrate into your space, ensuring a perfect fit. Experience the difference in quality with our sleek design and hassle-free functionality. Elevate your air system today and enjoy improved aesthetics and efficient airflow for a comfortable living environment.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eHow To Measure A Grille\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003e\u003cstrong\u003eOverall Size:\u003c\/strong\u003e\u003cbr\u003e Measure the size of the air duct\/drywall opening. Do not measure the overall size of the register itself, only measure the \"hole\" in the wall\/duct. Every grille has a front end frame that will overlap at the wall joint. The total outer size of this grille is the listed size plus 1.75\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWidth vs Height:\u003c\/strong\u003e\u003cbr\u003e The first number in a grille size represents the width, and the second number represents the height. For example, if your hole is 20\" wide by 14\" tall, order a 20x14 grille. If your hole is 14\" wide by 20\" tall, order a 14x20 grille.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eWhy Hvac Premium\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eHVAC Premium has been providing superior quality service for many years. We pride ourselves on offering top-of-the-line products that meet the highest standards. With our extensive selection of Grilles, Registers, and Diffusers, we have assisted countless contractors, DIY projects, and home improvement remodeling specialists in completing their masterpieces. If you are looking to enhance your project with a top-of-the-line unit, look no further than HVAC Premium.\u003c\/p\u003e\n\u003cp\u003eWe carry sizes the big box stores don't, ensuring that you find the perfect fit for your ventilation needs. We are proud to have served over 5,000,000 satisfied customers!\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\u003c!--\n  .plus {\n    display: inline-block;\n    width: 20px;\n    height: 20px;\n    background-color: #000;\n    color: #fff;\n    font-size: 14px;\n    text-align: center;\n    line-height: 20px;\n    margin-right: 8px;\n    border-radius: 50%;\n  }\n\n  .accordion-title {\n    font-size: 18px;\n  }\n--\u003e\u003c\/style\u003e\n\u003cscript\u003e\n  function toggleAccordion(event) {\n    event.preventDefault();\n    const dt = event.target.closest('dt');\n    const dd = dt.nextElementSibling;\n\n    if (dd.style.display === 'none') {\n      dd.style.display = 'block';\n      dt.querySelector('.plus').textContent = '-';\n    } else {\n      dd.style.display = 'none';\n      dt.querySelector('.plus').textContent = '+';\n    }\n  }\n\u003c\/script\u003e","brand":"HVAC Premium","offers":[{"title":"Default Title","offer_id":15783477215298,"sku":"CRG624","price":45.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/8213\/6898\/products\/6-x-24-or-24-x-6-cube-core-eggcrate-return-air-grillereturn-478020.jpg?v=1743794068"},{"product_id":"6in-x-30in-cube-core-eggcrate-return-air-grille-aluminum-rust-proof-hvac-vent-duct-cover-white-outer-dimensions-775w-x-3775h","title":"6\" x 30\" or 30\" x 6\" Cube Core Eggcrate Return Air Grille","description":"\u003cdiv style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\n\u003cdl class=\"accordion\"\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Details\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSize\u003c\/b\u003e – 6\" x 30\" or 30\" x 6\" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 7.75\" X 31.75\".\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh Quality\u003c\/b\u003e – High-quality, rust-free aluminum construction with smooth finished edges and counter-sunk screw holes (screws included); no sharp edges..\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInstallation Location\u003c\/b\u003e – sidewall and ceiling.\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDesign\u003c\/b\u003e – Cubic core eggcrate design Offers highest airflow efficiency at almost 95%, reducing electric bills and extending HVAC machine lifespan; provides a modern look and quiet operation due to its half-inch by half-inch cube design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePowder-Coat Finish\u003c\/b\u003e – Smooth, shiny, scratch-resistant, beautiful. Looks like it was just waxed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eQuality Packaging\u003c\/b\u003e – Carefully shrink wrapped with cardboard backing to prevent damage in shipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Description\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eEnhance your ventilation system with our high-quality grilles and registers. Designed for optimal air flow and lasting durability, our carefully crafted products offer superior performance. With precise measurements and easy installation, they seamlessly integrate into your space, ensuring a perfect fit. Experience the difference in quality with our sleek design and hassle-free functionality. Elevate your air system today and enjoy improved aesthetics and efficient airflow for a comfortable living environment.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eHow To Measure A Grille\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003e\u003cstrong\u003eOverall Size:\u003c\/strong\u003e\u003cbr\u003e Measure the size of the air duct\/drywall opening. Do not measure the overall size of the register itself, only measure the \"hole\" in the wall\/duct. Every grille has a front end frame that will overlap at the wall joint. The total outer size of this grille is the listed size plus 1.75\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWidth vs Height:\u003c\/strong\u003e\u003cbr\u003e The first number in a grille size represents the width, and the second number represents the height. For example, if your hole is 20\" wide by 14\" tall, order a 20x14 grille. If your hole is 14\" wide by 20\" tall, order a 14x20 grille.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eWhy Hvac Premium\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eHVAC Premium has been providing superior quality service for many years. We pride ourselves on offering top-of-the-line products that meet the highest standards. With our extensive selection of Grilles, Registers, and Diffusers, we have assisted countless contractors, DIY projects, and home improvement remodeling specialists in completing their masterpieces. If you are looking to enhance your project with a top-of-the-line unit, look no further than HVAC Premium.\u003c\/p\u003e\n\u003cp\u003eWe carry sizes the big box stores don't, ensuring that you find the perfect fit for your ventilation needs. We are proud to have served over 5,000,000 satisfied customers!\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\u003c!--\n  .plus {\n    display: inline-block;\n    width: 20px;\n    height: 20px;\n    background-color: #000;\n    color: #fff;\n    font-size: 14px;\n    text-align: center;\n    line-height: 20px;\n    margin-right: 8px;\n    border-radius: 50%;\n  }\n\n  .accordion-title {\n    font-size: 18px;\n  }\n--\u003e\u003c\/style\u003e\n\u003cscript\u003e\n  function toggleAccordion(event) {\n    event.preventDefault();\n    const dt = event.target.closest('dt');\n    const dd = dt.nextElementSibling;\n\n    if (dd.style.display === 'none') {\n      dd.style.display = 'block';\n      dt.querySelector('.plus').textContent = '-';\n    } else {\n      dd.style.display = 'none';\n      dt.querySelector('.plus').textContent = '+';\n    }\n  }\n\u003c\/script\u003e","brand":"HVAC Premium","offers":[{"title":"Default Title","offer_id":15783477379138,"sku":"CRG630","price":57.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/8213\/6898\/products\/6-x-30-or-30-x-6-cube-core-eggcrate-return-air-grillereturn-445576.jpg?v=1743794168"},{"product_id":"8in-x-12in-cube-core-eggcrate-return-air-grille-aluminum-rust-proof-hvac-vent-duct-cover-white-outer-dimensions-975w-x-1375h","title":"8\" x 12\" or 12\" x 8\" Cube Core Eggcrate Return Air Grille","description":"\u003cdiv style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\n\u003cdl class=\"accordion\"\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Details\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSize\u003c\/b\u003e – 8\" x 12\" or 12\" x 8\" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 9.75\" X 13.75\".\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh Quality\u003c\/b\u003e – High-quality, rust-free aluminum construction with smooth finished edges and counter-sunk screw holes (screws included); no sharp edges..\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInstallation Location\u003c\/b\u003e – sidewall and ceiling.\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDesign\u003c\/b\u003e – Cubic core eggcrate design Offers highest airflow efficiency at almost 95%, reducing electric bills and extending HVAC machine lifespan; provides a modern look and quiet operation due to its half-inch by half-inch cube design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePowder-Coat Finish\u003c\/b\u003e – Smooth, shiny, scratch-resistant, beautiful. Looks like it was just waxed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eQuality Packaging\u003c\/b\u003e – Carefully shrink wrapped with cardboard backing to prevent damage in shipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Description\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eEnhance your ventilation system with our high-quality grilles and registers. Designed for optimal air flow and lasting durability, our carefully crafted products offer superior performance. With precise measurements and easy installation, they seamlessly integrate into your space, ensuring a perfect fit. Experience the difference in quality with our sleek design and hassle-free functionality. Elevate your air system today and enjoy improved aesthetics and efficient airflow for a comfortable living environment.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eHow To Measure A Grille\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003e\u003cstrong\u003eOverall Size:\u003c\/strong\u003e\u003cbr\u003e Measure the size of the air duct\/drywall opening. Do not measure the overall size of the register itself, only measure the \"hole\" in the wall\/duct. Every grille has a front end frame that will overlap at the wall joint. The total outer size of this grille is the listed size plus 1.75\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWidth vs Height:\u003c\/strong\u003e\u003cbr\u003e The first number in a grille size represents the width, and the second number represents the height. For example, if your hole is 20\" wide by 14\" tall, order a 20x14 grille. If your hole is 14\" wide by 20\" tall, order a 14x20 grille.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eWhy Hvac Premium\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eHVAC Premium has been providing superior quality service for many years. We pride ourselves on offering top-of-the-line products that meet the highest standards. With our extensive selection of Grilles, Registers, and Diffusers, we have assisted countless contractors, DIY projects, and home improvement remodeling specialists in completing their masterpieces. If you are looking to enhance your project with a top-of-the-line unit, look no further than HVAC Premium.\u003c\/p\u003e\n\u003cp\u003eWe carry sizes the big box stores don't, ensuring that you find the perfect fit for your ventilation needs. We are proud to have served over 5,000,000 satisfied customers!\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\u003c!--\n  .plus {\n    display: inline-block;\n    width: 20px;\n    height: 20px;\n    background-color: #000;\n    color: #fff;\n    font-size: 14px;\n    text-align: center;\n    line-height: 20px;\n    margin-right: 8px;\n    border-radius: 50%;\n  }\n\n  .accordion-title {\n    font-size: 18px;\n  }\n--\u003e\u003c\/style\u003e\n\u003cscript\u003e\n  function toggleAccordion(event) {\n    event.preventDefault();\n    const dt = event.target.closest('dt');\n    const dd = dt.nextElementSibling;\n\n    if (dd.style.display === 'none') {\n      dd.style.display = 'block';\n      dt.querySelector('.plus').textContent = '-';\n    } else {\n      dd.style.display = 'none';\n      dt.querySelector('.plus').textContent = '+';\n    }\n  }\n\u003c\/script\u003e","brand":"HVAC Premium","offers":[{"title":"Default Title","offer_id":15783477411906,"sku":"CRG812","price":33.57,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/8213\/6898\/products\/8-x-12-or-12-x-8-cube-core-eggcrate-return-air-grillereturn-533781.jpg?v=1743794068"},{"product_id":"8in-x-14in-cube-core-eggcrate-return-air-grille-aluminum-rust-proof-hvac-vent-duct-cover-white-outer-dimensions-975w-x-1575h","title":"8\" x 14\" or 14\" x 8\" Cube Core Eggcrate Return Air Grille","description":"\u003cdiv style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\n\u003cdl class=\"accordion\"\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Details\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSize\u003c\/b\u003e – 8\" x 14\" or 14\" x 8\" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 9.75\" X 15.75\".\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh Quality\u003c\/b\u003e – High-quality, rust-free aluminum construction with smooth finished edges and counter-sunk screw holes (screws included); no sharp edges..\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInstallation Location\u003c\/b\u003e – sidewall and ceiling.\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDesign\u003c\/b\u003e – Cubic core eggcrate design Offers highest airflow efficiency at almost 95%, reducing electric bills and extending HVAC machine lifespan; provides a modern look and quiet operation due to its half-inch by half-inch cube design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePowder-Coat Finish\u003c\/b\u003e – Smooth, shiny, scratch-resistant, beautiful. Looks like it was just waxed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eQuality Packaging\u003c\/b\u003e – Carefully shrink wrapped with cardboard backing to prevent damage in shipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Description\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eEnhance your ventilation system with our high-quality grilles and registers. Designed for optimal air flow and lasting durability, our carefully crafted products offer superior performance. With precise measurements and easy installation, they seamlessly integrate into your space, ensuring a perfect fit. Experience the difference in quality with our sleek design and hassle-free functionality. Elevate your air system today and enjoy improved aesthetics and efficient airflow for a comfortable living environment.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eHow To Measure A Grille\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003e\u003cstrong\u003eOverall Size:\u003c\/strong\u003e\u003cbr\u003e Measure the size of the air duct\/drywall opening. Do not measure the overall size of the register itself, only measure the \"hole\" in the wall\/duct. Every grille has a front end frame that will overlap at the wall joint. The total outer size of this grille is the listed size plus 1.75\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWidth vs Height:\u003c\/strong\u003e\u003cbr\u003e The first number in a grille size represents the width, and the second number represents the height. For example, if your hole is 20\" wide by 14\" tall, order a 20x14 grille. If your hole is 14\" wide by 20\" tall, order a 14x20 grille.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eWhy Hvac Premium\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eHVAC Premium has been providing superior quality service for many years. We pride ourselves on offering top-of-the-line products that meet the highest standards. With our extensive selection of Grilles, Registers, and Diffusers, we have assisted countless contractors, DIY projects, and home improvement remodeling specialists in completing their masterpieces. If you are looking to enhance your project with a top-of-the-line unit, look no further than HVAC Premium.\u003c\/p\u003e\n\u003cp\u003eWe carry sizes the big box stores don't, ensuring that you find the perfect fit for your ventilation needs. We are proud to have served over 5,000,000 satisfied customers!\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\u003c!--\n  .plus {\n    display: inline-block;\n    width: 20px;\n    height: 20px;\n    background-color: #000;\n    color: #fff;\n    font-size: 14px;\n    text-align: center;\n    line-height: 20px;\n    margin-right: 8px;\n    border-radius: 50%;\n  }\n\n  .accordion-title {\n    font-size: 18px;\n  }\n--\u003e\u003c\/style\u003e\n\u003cscript\u003e\n  function toggleAccordion(event) {\n    event.preventDefault();\n    const dt = event.target.closest('dt');\n    const dd = dt.nextElementSibling;\n\n    if (dd.style.display === 'none') {\n      dd.style.display = 'block';\n      dt.querySelector('.plus').textContent = '-';\n    } else {\n      dd.style.display = 'none';\n      dt.querySelector('.plus').textContent = '+';\n    }\n  }\n\u003c\/script\u003e","brand":"HVAC Premium","offers":[{"title":"Default Title","offer_id":15783477510210,"sku":"CRG814","price":39.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/8213\/6898\/products\/8-x-14-or-14-x-8-cube-core-eggcrate-return-air-grillereturn-460707.jpg?v=1743794068"},{"product_id":"8in-x-16in-cube-core-eggcrate-return-air-grille-aluminum-rust-proof-hvac-vent-duct-cover-white-outer-dimensions-975w-x-1775h","title":"8\" x 16\" or 16\" x 8\" Cube Core Eggcrate Return Air Grille","description":"\u003cdiv style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\n\u003cdl class=\"accordion\"\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Details\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSize\u003c\/b\u003e – 8\" x 16\" or 16\" x 8\" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 9.75\" X 17.75\".\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh Quality\u003c\/b\u003e – High-quality, rust-free aluminum construction with smooth finished edges and counter-sunk screw holes (screws included); no sharp edges..\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInstallation Location\u003c\/b\u003e – sidewall and ceiling.\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDesign\u003c\/b\u003e – Cubic core eggcrate design Offers highest airflow efficiency at almost 95%, reducing electric bills and extending HVAC machine lifespan; provides a modern look and quiet operation due to its half-inch by half-inch cube design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePowder-Coat Finish\u003c\/b\u003e – Smooth, shiny, scratch-resistant, beautiful. Looks like it was just waxed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eQuality Packaging\u003c\/b\u003e – Carefully shrink wrapped with cardboard backing to prevent damage in shipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Description\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eEnhance your ventilation system with our high-quality grilles and registers. Designed for optimal air flow and lasting durability, our carefully crafted products offer superior performance. With precise measurements and easy installation, they seamlessly integrate into your space, ensuring a perfect fit. Experience the difference in quality with our sleek design and hassle-free functionality. Elevate your air system today and enjoy improved aesthetics and efficient airflow for a comfortable living environment.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eHow To Measure A Grille\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003e\u003cstrong\u003eOverall Size:\u003c\/strong\u003e\u003cbr\u003e Measure the size of the air duct\/drywall opening. Do not measure the overall size of the register itself, only measure the \"hole\" in the wall\/duct. Every grille has a front end frame that will overlap at the wall joint. The total outer size of this grille is the listed size plus 1.75\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWidth vs Height:\u003c\/strong\u003e\u003cbr\u003e The first number in a grille size represents the width, and the second number represents the height. For example, if your hole is 20\" wide by 14\" tall, order a 20x14 grille. If your hole is 14\" wide by 20\" tall, order a 14x20 grille.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eWhy Hvac Premium\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eHVAC Premium has been providing superior quality service for many years. We pride ourselves on offering top-of-the-line products that meet the highest standards. With our extensive selection of Grilles, Registers, and Diffusers, we have assisted countless contractors, DIY projects, and home improvement remodeling specialists in completing their masterpieces. If you are looking to enhance your project with a top-of-the-line unit, look no further than HVAC Premium.\u003c\/p\u003e\n\u003cp\u003eWe carry sizes the big box stores don't, ensuring that you find the perfect fit for your ventilation needs. We are proud to have served over 5,000,000 satisfied customers!\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\u003c!--\n  .plus {\n    display: inline-block;\n    width: 20px;\n    height: 20px;\n    background-color: #000;\n    color: #fff;\n    font-size: 14px;\n    text-align: center;\n    line-height: 20px;\n    margin-right: 8px;\n    border-radius: 50%;\n  }\n\n  .accordion-title {\n    font-size: 18px;\n  }\n--\u003e\u003c\/style\u003e\n\u003cscript\u003e\n  function toggleAccordion(event) {\n    event.preventDefault();\n    const dt = event.target.closest('dt');\n    const dd = dt.nextElementSibling;\n\n    if (dd.style.display === 'none') {\n      dd.style.display = 'block';\n      dt.querySelector('.plus').textContent = '-';\n    } else {\n      dd.style.display = 'none';\n      dt.querySelector('.plus').textContent = '+';\n    }\n  }\n\u003c\/script\u003e","brand":"HVAC Premium","offers":[{"title":"Default Title","offer_id":15783477608514,"sku":"CRG816","price":30.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/8213\/6898\/products\/8-x-16-or-16-x-8-cube-core-eggcrate-return-air-grillereturn-414176.jpg?v=1743794169"},{"product_id":"8in-x-20in-cube-core-eggcrate-return-air-grille-aluminum-rust-proof-hvac-vent-duct-cover-white-outer-dimensions-975w-x-2175h","title":"8\" x 20\" or 20\" x 8\" Cube Core Eggcrate Return Air Grille","description":"\u003cdiv style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\n\u003cdl class=\"accordion\"\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Details\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSize\u003c\/b\u003e – 8\" x 20\" or 20\" x 8\" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 9.75\" X 21.75\".\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh Quality\u003c\/b\u003e – High-quality, rust-free aluminum construction with smooth finished edges and counter-sunk screw holes (screws included); no sharp edges..\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInstallation Location\u003c\/b\u003e – sidewall and ceiling.\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDesign\u003c\/b\u003e – Cubic core eggcrate design Offers highest airflow efficiency at almost 95%, reducing electric bills and extending HVAC machine lifespan; provides a modern look and quiet operation due to its half-inch by half-inch cube design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePowder-Coat Finish\u003c\/b\u003e – Smooth, shiny, scratch-resistant, beautiful. Looks like it was just waxed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eQuality Packaging\u003c\/b\u003e – Carefully shrink wrapped with cardboard backing to prevent damage in shipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Description\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eEnhance your ventilation system with our high-quality grilles and registers. Designed for optimal air flow and lasting durability, our carefully crafted products offer superior performance. With precise measurements and easy installation, they seamlessly integrate into your space, ensuring a perfect fit. Experience the difference in quality with our sleek design and hassle-free functionality. Elevate your air system today and enjoy improved aesthetics and efficient airflow for a comfortable living environment.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eHow To Measure A Grille\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003e\u003cstrong\u003eOverall Size:\u003c\/strong\u003e\u003cbr\u003e Measure the size of the air duct\/drywall opening. Do not measure the overall size of the register itself, only measure the \"hole\" in the wall\/duct. Every grille has a front end frame that will overlap at the wall joint. The total outer size of this grille is the listed size plus 1.75\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWidth vs Height:\u003c\/strong\u003e\u003cbr\u003e The first number in a grille size represents the width, and the second number represents the height. For example, if your hole is 20\" wide by 14\" tall, order a 20x14 grille. If your hole is 14\" wide by 20\" tall, order a 14x20 grille.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eWhy Hvac Premium\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eHVAC Premium has been providing superior quality service for many years. We pride ourselves on offering top-of-the-line products that meet the highest standards. With our extensive selection of Grilles, Registers, and Diffusers, we have assisted countless contractors, DIY projects, and home improvement remodeling specialists in completing their masterpieces. If you are looking to enhance your project with a top-of-the-line unit, look no further than HVAC Premium.\u003c\/p\u003e\n\u003cp\u003eWe carry sizes the big box stores don't, ensuring that you find the perfect fit for your ventilation needs. We are proud to have served over 5,000,000 satisfied customers!\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\u003c!--\n  .plus {\n    display: inline-block;\n    width: 20px;\n    height: 20px;\n    background-color: #000;\n    color: #fff;\n    font-size: 14px;\n    text-align: center;\n    line-height: 20px;\n    margin-right: 8px;\n    border-radius: 50%;\n  }\n\n  .accordion-title {\n    font-size: 18px;\n  }\n--\u003e\u003c\/style\u003e\n\u003cscript\u003e\n  function toggleAccordion(event) {\n    event.preventDefault();\n    const dt = event.target.closest('dt');\n    const dd = dt.nextElementSibling;\n\n    if (dd.style.display === 'none') {\n      dd.style.display = 'block';\n      dt.querySelector('.plus').textContent = '-';\n    } else {\n      dd.style.display = 'none';\n      dt.querySelector('.plus').textContent = '+';\n    }\n  }\n\u003c\/script\u003e","brand":"HVAC Premium","offers":[{"title":"Default Title","offer_id":15783477641282,"sku":"CRG820","price":52.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/8213\/6898\/products\/8-x-20-or-20-x-8-cube-core-eggcrate-return-air-grillereturn-976067.jpg?v=1743794169"},{"product_id":"8in-x-24in-cube-core-eggcrate-return-air-grille-aluminum-rust-proof-hvac-vent-duct-cover-white-outer-dimensions-975w-x-2575h","title":"8\" x 24\" or 24\" x 8\" Cube Core Eggcrate Return Air Grille","description":"\u003cdiv style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\n\u003cdl class=\"accordion\"\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Details\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSize\u003c\/b\u003e – 8\" x 24\" or 24\" x 8\" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 9.75\" X 25.75\".\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh Quality\u003c\/b\u003e – High-quality, rust-free aluminum construction with smooth finished edges and counter-sunk screw holes (screws included); no sharp edges..\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInstallation Location\u003c\/b\u003e – sidewall and ceiling.\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDesign\u003c\/b\u003e – Cubic core eggcrate design Offers highest airflow efficiency at almost 95%, reducing electric bills and extending HVAC machine lifespan; provides a modern look and quiet operation due to its half-inch by half-inch cube design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePowder-Coat Finish\u003c\/b\u003e – Smooth, shiny, scratch-resistant, beautiful. Looks like it was just waxed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eQuality Packaging\u003c\/b\u003e – Carefully shrink wrapped with cardboard backing to prevent damage in shipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Description\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eEnhance your ventilation system with our high-quality grilles and registers. Designed for optimal air flow and lasting durability, our carefully crafted products offer superior performance. With precise measurements and easy installation, they seamlessly integrate into your space, ensuring a perfect fit. Experience the difference in quality with our sleek design and hassle-free functionality. Elevate your air system today and enjoy improved aesthetics and efficient airflow for a comfortable living environment.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eHow To Measure A Grille\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003e\u003cstrong\u003eOverall Size:\u003c\/strong\u003e\u003cbr\u003e Measure the size of the air duct\/drywall opening. Do not measure the overall size of the register itself, only measure the \"hole\" in the wall\/duct. Every grille has a front end frame that will overlap at the wall joint. The total outer size of this grille is the listed size plus 1.75\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWidth vs Height:\u003c\/strong\u003e\u003cbr\u003e The first number in a grille size represents the width, and the second number represents the height. For example, if your hole is 20\" wide by 14\" tall, order a 20x14 grille. If your hole is 14\" wide by 20\" tall, order a 14x20 grille.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eWhy Hvac Premium\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eHVAC Premium has been providing superior quality service for many years. We pride ourselves on offering top-of-the-line products that meet the highest standards. With our extensive selection of Grilles, Registers, and Diffusers, we have assisted countless contractors, DIY projects, and home improvement remodeling specialists in completing their masterpieces. If you are looking to enhance your project with a top-of-the-line unit, look no further than HVAC Premium.\u003c\/p\u003e\n\u003cp\u003eWe carry sizes the big box stores don't, ensuring that you find the perfect fit for your ventilation needs. We are proud to have served over 5,000,000 satisfied customers!\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\u003c!--\n  .plus {\n    display: inline-block;\n    width: 20px;\n    height: 20px;\n    background-color: #000;\n    color: #fff;\n    font-size: 14px;\n    text-align: center;\n    line-height: 20px;\n    margin-right: 8px;\n    border-radius: 50%;\n  }\n\n  .accordion-title {\n    font-size: 18px;\n  }\n--\u003e\u003c\/style\u003e\n\u003cscript\u003e\n  function toggleAccordion(event) {\n    event.preventDefault();\n    const dt = event.target.closest('dt');\n    const dd = dt.nextElementSibling;\n\n    if (dd.style.display === 'none') {\n      dd.style.display = 'block';\n      dt.querySelector('.plus').textContent = '-';\n    } else {\n      dd.style.display = 'none';\n      dt.querySelector('.plus').textContent = '+';\n    }\n  }\n\u003c\/script\u003e","brand":"HVAC Premium","offers":[{"title":"Default Title","offer_id":15783477706818,"sku":"CRG824","price":60.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/8213\/6898\/products\/8-x-24-or-24-x-8-cube-core-eggcrate-return-air-grillereturn-296869.jpg?v=1743794067"},{"product_id":"8in-x-30in-cube-core-eggcrate-return-air-grille-aluminum-rust-proof-hvac-vent-duct-cover-white-outer-dimensions-975w-x-3175h","title":"8\" x 30\" or 30\" x 8\" Cube Core Eggcrate Return Air Grille","description":"\u003cdiv style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\n\u003cdl class=\"accordion\"\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Details\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSize\u003c\/b\u003e – 8\" x 30\" or 30\" x 8\" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 9.75\" X 31.75\".\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh Quality\u003c\/b\u003e – High-quality, rust-free aluminum construction with smooth finished edges and counter-sunk screw holes (screws included); no sharp edges..\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInstallation Location\u003c\/b\u003e – sidewall and ceiling.\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDesign\u003c\/b\u003e – Cubic core eggcrate design Offers highest airflow efficiency at almost 95%, reducing electric bills and extending HVAC machine lifespan; provides a modern look and quiet operation due to its half-inch by half-inch cube design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePowder-Coat Finish\u003c\/b\u003e – Smooth, shiny, scratch-resistant, beautiful. Looks like it was just waxed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eQuality Packaging\u003c\/b\u003e – Carefully shrink wrapped with cardboard backing to prevent damage in shipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Description\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eEnhance your ventilation system with our high-quality grilles and registers. Designed for optimal air flow and lasting durability, our carefully crafted products offer superior performance. With precise measurements and easy installation, they seamlessly integrate into your space, ensuring a perfect fit. Experience the difference in quality with our sleek design and hassle-free functionality. Elevate your air system today and enjoy improved aesthetics and efficient airflow for a comfortable living environment.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eHow To Measure A Grille\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003e\u003cstrong\u003eOverall Size:\u003c\/strong\u003e\u003cbr\u003e Measure the size of the air duct\/drywall opening. Do not measure the overall size of the register itself, only measure the \"hole\" in the wall\/duct. Every grille has a front end frame that will overlap at the wall joint. The total outer size of this grille is the listed size plus 1.75\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWidth vs Height:\u003c\/strong\u003e\u003cbr\u003e The first number in a grille size represents the width, and the second number represents the height. For example, if your hole is 20\" wide by 14\" tall, order a 20x14 grille. If your hole is 14\" wide by 20\" tall, order a 14x20 grille.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eWhy Hvac Premium\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eHVAC Premium has been providing superior quality service for many years. We pride ourselves on offering top-of-the-line products that meet the highest standards. With our extensive selection of Grilles, Registers, and Diffusers, we have assisted countless contractors, DIY projects, and home improvement remodeling specialists in completing their masterpieces. If you are looking to enhance your project with a top-of-the-line unit, look no further than HVAC Premium.\u003c\/p\u003e\n\u003cp\u003eWe carry sizes the big box stores don't, ensuring that you find the perfect fit for your ventilation needs. We are proud to have served over 5,000,000 satisfied customers!\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\u003c!--\n  .plus {\n    display: inline-block;\n    width: 20px;\n    height: 20px;\n    background-color: #000;\n    color: #fff;\n    font-size: 14px;\n    text-align: center;\n    line-height: 20px;\n    margin-right: 8px;\n    border-radius: 50%;\n  }\n\n  .accordion-title {\n    font-size: 18px;\n  }\n--\u003e\u003c\/style\u003e\n\u003cscript\u003e\n  function toggleAccordion(event) {\n    event.preventDefault();\n    const dt = event.target.closest('dt');\n    const dd = dt.nextElementSibling;\n\n    if (dd.style.display === 'none') {\n      dd.style.display = 'block';\n      dt.querySelector('.plus').textContent = '-';\n    } else {\n      dd.style.display = 'none';\n      dt.querySelector('.plus').textContent = '+';\n    }\n  }\n\u003c\/script\u003e","brand":"HVAC Premium","offers":[{"title":"Default Title","offer_id":15783477837890,"sku":"CRG830","price":61.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/8213\/6898\/products\/8-x-30-or-30-x-8-cube-core-eggcrate-return-air-grillereturn-752160.jpg?v=1743794067"},{"product_id":"10in-x-10in-cube-core-eggcrate-return-air-grille-aluminum-rust-proof-hvac-vent-duct-cover-white-outer-dimensions-1175w-x-1175h","title":"10\" x 10\" Cube Core Eggcrate Return Air Grille","description":"\u003cdiv style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\n\u003cdl class=\"accordion\"\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Details\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSize\u003c\/b\u003e – 10\" x 10\" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 11.75\" X 11.75\".\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh Quality\u003c\/b\u003e – High-quality, rust-free aluminum construction with smooth finished edges and counter-sunk screw holes (screws included); no sharp edges..\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInstallation Location\u003c\/b\u003e – sidewall and ceiling.\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDesign\u003c\/b\u003e – Cubic core eggcrate design Offers highest airflow efficiency at almost 95%, reducing electric bills and extending HVAC machine lifespan; provides a modern look and quiet operation due to its half-inch by half-inch cube design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePowder-Coat Finish\u003c\/b\u003e – Smooth, shiny, scratch-resistant, beautiful. Looks like it was just waxed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eQuality Packaging\u003c\/b\u003e – Carefully shrink wrapped with cardboard backing to prevent damage in shipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Description\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eEnhance your ventilation system with our high-quality grilles and registers. Designed for optimal air flow and lasting durability, our carefully crafted products offer superior performance. With precise measurements and easy installation, they seamlessly integrate into your space, ensuring a perfect fit. Experience the difference in quality with our sleek design and hassle-free functionality. Elevate your air system today and enjoy improved aesthetics and efficient airflow for a comfortable living environment.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eHow To Measure A Grille\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003e\u003cstrong\u003eOverall Size:\u003c\/strong\u003e\u003cbr\u003e Measure the size of the air duct\/drywall opening. Do not measure the overall size of the register itself, only measure the \"hole\" in the wall\/duct. Every grille has a front end frame that will overlap at the wall joint. The total outer size of this grille is the listed size plus 1.75\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWidth vs Height:\u003c\/strong\u003e\u003cbr\u003e The first number in a grille size represents the width, and the second number represents the height. For example, if your hole is 20\" wide by 14\" tall, order a 20x14 grille. If your hole is 14\" wide by 20\" tall, order a 14x20 grille.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eWhy Hvac Premium\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eHVAC Premium has been providing superior quality service for many years. We pride ourselves on offering top-of-the-line products that meet the highest standards. With our extensive selection of Grilles, Registers, and Diffusers, we have assisted countless contractors, DIY projects, and home improvement remodeling specialists in completing their masterpieces. If you are looking to enhance your project with a top-of-the-line unit, look no further than HVAC Premium.\u003c\/p\u003e\n\u003cp\u003eWe carry sizes the big box stores don't, ensuring that you find the perfect fit for your ventilation needs. We are proud to have served over 5,000,000 satisfied customers!\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\u003c!--\n  .plus {\n    display: inline-block;\n    width: 20px;\n    height: 20px;\n    background-color: #000;\n    color: #fff;\n    font-size: 14px;\n    text-align: center;\n    line-height: 20px;\n    margin-right: 8px;\n    border-radius: 50%;\n  }\n\n  .accordion-title {\n    font-size: 18px;\n  }\n--\u003e\u003c\/style\u003e\n\u003cscript\u003e\n  function toggleAccordion(event) {\n    event.preventDefault();\n    const dt = event.target.closest('dt');\n    const dd = dt.nextElementSibling;\n\n    if (dd.style.display === 'none') {\n      dd.style.display = 'block';\n      dt.querySelector('.plus').textContent = '-';\n    } else {\n      dd.style.display = 'none';\n      dt.querySelector('.plus').textContent = '+';\n    }\n  }\n\u003c\/script\u003e","brand":"HVAC Premium","offers":[{"title":"Default Title","offer_id":15783477903426,"sku":"CRG1010","price":31.56,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/8213\/6898\/products\/10-x-10-cube-core-eggcrate-return-air-grillereturn-915842.jpg?v=1743794170"},{"product_id":"10in-x-14in-cube-core-eggcrate-return-air-grille-aluminum-rust-proof-hvac-vent-duct-cover-white-outer-dimensions-1175w-x-1575h","title":"10\" x 14\" or 14\" x 10\" Cube Core Eggcrate Return Air Grille","description":"\u003cdiv style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\n\u003cdl class=\"accordion\"\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Details\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSize\u003c\/b\u003e – 10\" x 14\" or 14\" x 10\" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 11.75\" X 15.75\".\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh Quality\u003c\/b\u003e – High-quality, rust-free aluminum construction with smooth finished edges and counter-sunk screw holes (screws included); no sharp edges..\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInstallation Location\u003c\/b\u003e – sidewall and ceiling.\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDesign\u003c\/b\u003e – Cubic core eggcrate design Offers highest airflow efficiency at almost 95%, reducing electric bills and extending HVAC machine lifespan; provides a modern look and quiet operation due to its half-inch by half-inch cube design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePowder-Coat Finish\u003c\/b\u003e – Smooth, shiny, scratch-resistant, beautiful. Looks like it was just waxed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eQuality Packaging\u003c\/b\u003e – Carefully shrink wrapped with cardboard backing to prevent damage in shipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Description\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eEnhance your ventilation system with our high-quality grilles and registers. Designed for optimal air flow and lasting durability, our carefully crafted products offer superior performance. With precise measurements and easy installation, they seamlessly integrate into your space, ensuring a perfect fit. Experience the difference in quality with our sleek design and hassle-free functionality. Elevate your air system today and enjoy improved aesthetics and efficient airflow for a comfortable living environment.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eHow To Measure A Grille\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003e\u003cstrong\u003eOverall Size:\u003c\/strong\u003e\u003cbr\u003e Measure the size of the air duct\/drywall opening. Do not measure the overall size of the register itself, only measure the \"hole\" in the wall\/duct. Every grille has a front end frame that will overlap at the wall joint. The total outer size of this grille is the listed size plus 1.75\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWidth vs Height:\u003c\/strong\u003e\u003cbr\u003e The first number in a grille size represents the width, and the second number represents the height. For example, if your hole is 20\" wide by 14\" tall, order a 20x14 grille. If your hole is 14\" wide by 20\" tall, order a 14x20 grille.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eWhy Hvac Premium\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eHVAC Premium has been providing superior quality service for many years. We pride ourselves on offering top-of-the-line products that meet the highest standards. With our extensive selection of Grilles, Registers, and Diffusers, we have assisted countless contractors, DIY projects, and home improvement remodeling specialists in completing their masterpieces. If you are looking to enhance your project with a top-of-the-line unit, look no further than HVAC Premium.\u003c\/p\u003e\n\u003cp\u003eWe carry sizes the big box stores don't, ensuring that you find the perfect fit for your ventilation needs. We are proud to have served over 5,000,000 satisfied customers!\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\u003c!--\n  .plus {\n    display: inline-block;\n    width: 20px;\n    height: 20px;\n    background-color: #000;\n    color: #fff;\n    font-size: 14px;\n    text-align: center;\n    line-height: 20px;\n    margin-right: 8px;\n    border-radius: 50%;\n  }\n\n  .accordion-title {\n    font-size: 18px;\n  }\n--\u003e\u003c\/style\u003e\n\u003cscript\u003e\n  function toggleAccordion(event) {\n    event.preventDefault();\n    const dt = event.target.closest('dt');\n    const dd = dt.nextElementSibling;\n\n    if (dd.style.display === 'none') {\n      dd.style.display = 'block';\n      dt.querySelector('.plus').textContent = '-';\n    } else {\n      dd.style.display = 'none';\n      dt.querySelector('.plus').textContent = '+';\n    }\n  }\n\u003c\/script\u003e","brand":"HVAC Premium","offers":[{"title":"Default Title","offer_id":15783478100034,"sku":"CRG1014","price":36.73,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/8213\/6898\/products\/10-x-14-or-14-x-10-cube-core-eggcrate-return-air-grillereturn-635155.jpg?v=1743794066"},{"product_id":"10in-x-16in-cube-core-eggcrate-return-air-grille-aluminum-rust-proof-hvac-vent-duct-cover-white-outer-dimensions-1175w-x-1775h","title":"10\" x 16\" or 16\" x 10\" Cube Core Eggcrate Return Air Grille","description":"\u003cdiv style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\n\u003cdl class=\"accordion\"\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Details\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSize\u003c\/b\u003e – 10\" x 16\" or 16\" x 10\" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 11.75\" X 17.75\".\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh Quality\u003c\/b\u003e – High-quality, rust-free aluminum construction with smooth finished edges and counter-sunk screw holes (screws included); no sharp edges..\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInstallation Location\u003c\/b\u003e – sidewall and ceiling.\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDesign\u003c\/b\u003e – Cubic core eggcrate design Offers highest airflow efficiency at almost 95%, reducing electric bills and extending HVAC machine lifespan; provides a modern look and quiet operation due to its half-inch by half-inch cube design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePowder-Coat Finish\u003c\/b\u003e – Smooth, shiny, scratch-resistant, beautiful. Looks like it was just waxed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eQuality Packaging\u003c\/b\u003e – Carefully shrink wrapped with cardboard backing to prevent damage in shipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Description\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eEnhance your ventilation system with our high-quality grilles and registers. Designed for optimal air flow and lasting durability, our carefully crafted products offer superior performance. With precise measurements and easy installation, they seamlessly integrate into your space, ensuring a perfect fit. Experience the difference in quality with our sleek design and hassle-free functionality. Elevate your air system today and enjoy improved aesthetics and efficient airflow for a comfortable living environment.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eHow To Measure A Grille\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003e\u003cstrong\u003eOverall Size:\u003c\/strong\u003e\u003cbr\u003e Measure the size of the air duct\/drywall opening. Do not measure the overall size of the register itself, only measure the \"hole\" in the wall\/duct. Every grille has a front end frame that will overlap at the wall joint. The total outer size of this grille is the listed size plus 1.75\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWidth vs Height:\u003c\/strong\u003e\u003cbr\u003e The first number in a grille size represents the width, and the second number represents the height. For example, if your hole is 20\" wide by 14\" tall, order a 20x14 grille. If your hole is 14\" wide by 20\" tall, order a 14x20 grille.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eWhy Hvac Premium\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eHVAC Premium has been providing superior quality service for many years. We pride ourselves on offering top-of-the-line products that meet the highest standards. With our extensive selection of Grilles, Registers, and Diffusers, we have assisted countless contractors, DIY projects, and home improvement remodeling specialists in completing their masterpieces. If you are looking to enhance your project with a top-of-the-line unit, look no further than HVAC Premium.\u003c\/p\u003e\n\u003cp\u003eWe carry sizes the big box stores don't, ensuring that you find the perfect fit for your ventilation needs. We are proud to have served over 5,000,000 satisfied customers!\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\u003c!--\n  .plus {\n    display: inline-block;\n    width: 20px;\n    height: 20px;\n    background-color: #000;\n    color: #fff;\n    font-size: 14px;\n    text-align: center;\n    line-height: 20px;\n    margin-right: 8px;\n    border-radius: 50%;\n  }\n\n  .accordion-title {\n    font-size: 18px;\n  }\n--\u003e\u003c\/style\u003e\n\u003cscript\u003e\n  function toggleAccordion(event) {\n    event.preventDefault();\n    const dt = event.target.closest('dt');\n    const dd = dt.nextElementSibling;\n\n    if (dd.style.display === 'none') {\n      dd.style.display = 'block';\n      dt.querySelector('.plus').textContent = '-';\n    } else {\n      dd.style.display = 'none';\n      dt.querySelector('.plus').textContent = '+';\n    }\n  }\n\u003c\/script\u003e","brand":"HVAC Premium","offers":[{"title":"Default Title","offer_id":15783478362178,"sku":"CRG1016","price":46.41,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/8213\/6898\/products\/10-x-16-or-16-x-10-cube-core-eggcrate-return-air-grillereturn-906424.jpg?v=1743794066"},{"product_id":"10in-x-20in-cube-core-eggcrate-return-air-grille-aluminum-rust-proof-hvac-vent-duct-cover-white-outer-dimensions-1175w-x-2175h","title":"10\" x 20\" or 20\" x 10\" Cube Core Eggcrate Return Air Grille","description":"\u003cdiv style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\n\u003cdl class=\"accordion\"\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Details\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSize\u003c\/b\u003e – 10\" x 20\" or 20\" x 10\" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 11.75\" X 21.75\".\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh Quality\u003c\/b\u003e – High-quality, rust-free aluminum construction with smooth finished edges and counter-sunk screw holes (screws included); no sharp edges..\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInstallation Location\u003c\/b\u003e – sidewall and ceiling.\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDesign\u003c\/b\u003e – Cubic core eggcrate design Offers highest airflow efficiency at almost 95%, reducing electric bills and extending HVAC machine lifespan; provides a modern look and quiet operation due to its half-inch by half-inch cube design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePowder-Coat Finish\u003c\/b\u003e – Smooth, shiny, scratch-resistant, beautiful. Looks like it was just waxed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eQuality Packaging\u003c\/b\u003e – Carefully shrink wrapped with cardboard backing to prevent damage in shipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Description\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eEnhance your ventilation system with our high-quality grilles and registers. Designed for optimal air flow and lasting durability, our carefully crafted products offer superior performance. With precise measurements and easy installation, they seamlessly integrate into your space, ensuring a perfect fit. Experience the difference in quality with our sleek design and hassle-free functionality. Elevate your air system today and enjoy improved aesthetics and efficient airflow for a comfortable living environment.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eHow To Measure A Grille\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003e\u003cstrong\u003eOverall Size:\u003c\/strong\u003e\u003cbr\u003e Measure the size of the air duct\/drywall opening. Do not measure the overall size of the register itself, only measure the \"hole\" in the wall\/duct. Every grille has a front end frame that will overlap at the wall joint. The total outer size of this grille is the listed size plus 1.75\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWidth vs Height:\u003c\/strong\u003e\u003cbr\u003e The first number in a grille size represents the width, and the second number represents the height. For example, if your hole is 20\" wide by 14\" tall, order a 20x14 grille. If your hole is 14\" wide by 20\" tall, order a 14x20 grille.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eWhy Hvac Premium\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eHVAC Premium has been providing superior quality service for many years. We pride ourselves on offering top-of-the-line products that meet the highest standards. With our extensive selection of Grilles, Registers, and Diffusers, we have assisted countless contractors, DIY projects, and home improvement remodeling specialists in completing their masterpieces. If you are looking to enhance your project with a top-of-the-line unit, look no further than HVAC Premium.\u003c\/p\u003e\n\u003cp\u003eWe carry sizes the big box stores don't, ensuring that you find the perfect fit for your ventilation needs. We are proud to have served over 5,000,000 satisfied customers!\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\u003c!--\n  .plus {\n    display: inline-block;\n    width: 20px;\n    height: 20px;\n    background-color: #000;\n    color: #fff;\n    font-size: 14px;\n    text-align: center;\n    line-height: 20px;\n    margin-right: 8px;\n    border-radius: 50%;\n  }\n\n  .accordion-title {\n    font-size: 18px;\n  }\n--\u003e\u003c\/style\u003e\n\u003cscript\u003e\n  function toggleAccordion(event) {\n    event.preventDefault();\n    const dt = event.target.closest('dt');\n    const dd = dt.nextElementSibling;\n\n    if (dd.style.display === 'none') {\n      dd.style.display = 'block';\n      dt.querySelector('.plus').textContent = '-';\n    } else {\n      dd.style.display = 'none';\n      dt.querySelector('.plus').textContent = '+';\n    }\n  }\n\u003c\/script\u003e","brand":"HVAC Premium","offers":[{"title":"Default Title","offer_id":15783478427714,"sku":"CRG1020","price":52.67,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/8213\/6898\/products\/10-x-20-or-20-x-10-cube-core-eggcrate-return-air-grillereturn-550855.jpg?v=1743794065"},{"product_id":"10in-x-24in-cube-core-eggcrate-return-air-grille-aluminum-rust-proof-hvac-vent-duct-cover-white-outer-dimensions-1175w-x-2575h","title":"10\" x 24\" or 24\" x 10\" Cube Core Eggcrate Return Air Grille","description":"\u003cdiv style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\n\u003cdl class=\"accordion\"\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Details\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSize\u003c\/b\u003e – 10\" x 24\" or 24\" x 10\" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 11.75\" X 25.75\".\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh Quality\u003c\/b\u003e – High-quality, rust-free aluminum construction with smooth finished edges and counter-sunk screw holes (screws included); no sharp edges..\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInstallation Location\u003c\/b\u003e – sidewall and ceiling.\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDesign\u003c\/b\u003e – Cubic core eggcrate design Offers highest airflow efficiency at almost 95%, reducing electric bills and extending HVAC machine lifespan; provides a modern look and quiet operation due to its half-inch by half-inch cube design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePowder-Coat Finish\u003c\/b\u003e – Smooth, shiny, scratch-resistant, beautiful. Looks like it was just waxed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eQuality Packaging\u003c\/b\u003e – Carefully shrink wrapped with cardboard backing to prevent damage in shipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Description\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eEnhance your ventilation system with our high-quality grilles and registers. Designed for optimal air flow and lasting durability, our carefully crafted products offer superior performance. With precise measurements and easy installation, they seamlessly integrate into your space, ensuring a perfect fit. Experience the difference in quality with our sleek design and hassle-free functionality. Elevate your air system today and enjoy improved aesthetics and efficient airflow for a comfortable living environment.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eHow To Measure A Grille\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003e\u003cstrong\u003eOverall Size:\u003c\/strong\u003e\u003cbr\u003e Measure the size of the air duct\/drywall opening. Do not measure the overall size of the register itself, only measure the \"hole\" in the wall\/duct. Every grille has a front end frame that will overlap at the wall joint. The total outer size of this grille is the listed size plus 1.75\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWidth vs Height:\u003c\/strong\u003e\u003cbr\u003e The first number in a grille size represents the width, and the second number represents the height. For example, if your hole is 20\" wide by 14\" tall, order a 20x14 grille. If your hole is 14\" wide by 20\" tall, order a 14x20 grille.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eWhy Hvac Premium\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eHVAC Premium has been providing superior quality service for many years. We pride ourselves on offering top-of-the-line products that meet the highest standards. With our extensive selection of Grilles, Registers, and Diffusers, we have assisted countless contractors, DIY projects, and home improvement remodeling specialists in completing their masterpieces. If you are looking to enhance your project with a top-of-the-line unit, look no further than HVAC Premium.\u003c\/p\u003e\n\u003cp\u003eWe carry sizes the big box stores don't, ensuring that you find the perfect fit for your ventilation needs. We are proud to have served over 5,000,000 satisfied customers!\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\u003c!--\n  .plus {\n    display: inline-block;\n    width: 20px;\n    height: 20px;\n    background-color: #000;\n    color: #fff;\n    font-size: 14px;\n    text-align: center;\n    line-height: 20px;\n    margin-right: 8px;\n    border-radius: 50%;\n  }\n\n  .accordion-title {\n    font-size: 18px;\n  }\n--\u003e\u003c\/style\u003e\n\u003cscript\u003e\n  function toggleAccordion(event) {\n    event.preventDefault();\n    const dt = event.target.closest('dt');\n    const dd = dt.nextElementSibling;\n\n    if (dd.style.display === 'none') {\n      dd.style.display = 'block';\n      dt.querySelector('.plus').textContent = '-';\n    } else {\n      dd.style.display = 'none';\n      dt.querySelector('.plus').textContent = '+';\n    }\n  }\n\u003c\/script\u003e","brand":"HVAC Premium","offers":[{"title":"Default Title","offer_id":15783478493250,"sku":"CRG1024","price":61.74,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/8213\/6898\/products\/10-x-24-or-24-x-10-cube-core-eggcrate-return-air-grillereturn-110938.jpg?v=1743794066"},{"product_id":"10in-x-30in-cube-core-eggcrate-return-air-grille-aluminum-rust-proof-hvac-vent-duct-cover-white-outer-dimensions-1175w-x-3175h","title":"10\" x 30\" or 30\" x 10\" Cube Core Eggcrate Return Air Grille","description":"\u003cdiv style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\n\u003cdl class=\"accordion\"\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Details\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSize\u003c\/b\u003e – 10\" x 30\" or 30\" x 10\" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 11.75\" X 31.75\".\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh Quality\u003c\/b\u003e – High-quality, rust-free aluminum construction with smooth finished edges and counter-sunk screw holes (screws included); no sharp edges..\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInstallation Location\u003c\/b\u003e – sidewall and ceiling.\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDesign\u003c\/b\u003e – Cubic core eggcrate design Offers highest airflow efficiency at almost 95%, reducing electric bills and extending HVAC machine lifespan; provides a modern look and quiet operation due to its half-inch by half-inch cube design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePowder-Coat Finish\u003c\/b\u003e – Smooth, shiny, scratch-resistant, beautiful. Looks like it was just waxed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eQuality Packaging\u003c\/b\u003e – Carefully shrink wrapped with cardboard backing to prevent damage in shipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Description\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eEnhance your ventilation system with our high-quality grilles and registers. Designed for optimal air flow and lasting durability, our carefully crafted products offer superior performance. With precise measurements and easy installation, they seamlessly integrate into your space, ensuring a perfect fit. Experience the difference in quality with our sleek design and hassle-free functionality. Elevate your air system today and enjoy improved aesthetics and efficient airflow for a comfortable living environment.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eHow To Measure A Grille\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003e\u003cstrong\u003eOverall Size:\u003c\/strong\u003e\u003cbr\u003e Measure the size of the air duct\/drywall opening. Do not measure the overall size of the register itself, only measure the \"hole\" in the wall\/duct. Every grille has a front end frame that will overlap at the wall joint. The total outer size of this grille is the listed size plus 1.75\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWidth vs Height:\u003c\/strong\u003e\u003cbr\u003e The first number in a grille size represents the width, and the second number represents the height. For example, if your hole is 20\" wide by 14\" tall, order a 20x14 grille. If your hole is 14\" wide by 20\" tall, order a 14x20 grille.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eWhy Hvac Premium\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eHVAC Premium has been providing superior quality service for many years. We pride ourselves on offering top-of-the-line products that meet the highest standards. With our extensive selection of Grilles, Registers, and Diffusers, we have assisted countless contractors, DIY projects, and home improvement remodeling specialists in completing their masterpieces. If you are looking to enhance your project with a top-of-the-line unit, look no further than HVAC Premium.\u003c\/p\u003e\n\u003cp\u003eWe carry sizes the big box stores don't, ensuring that you find the perfect fit for your ventilation needs. We are proud to have served over 5,000,000 satisfied customers!\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\u003c!--\n  .plus {\n    display: inline-block;\n    width: 20px;\n    height: 20px;\n    background-color: #000;\n    color: #fff;\n    font-size: 14px;\n    text-align: center;\n    line-height: 20px;\n    margin-right: 8px;\n    border-radius: 50%;\n  }\n\n  .accordion-title {\n    font-size: 18px;\n  }\n--\u003e\u003c\/style\u003e\n\u003cscript\u003e\n  function toggleAccordion(event) {\n    event.preventDefault();\n    const dt = event.target.closest('dt');\n    const dd = dt.nextElementSibling;\n\n    if (dd.style.display === 'none') {\n      dd.style.display = 'block';\n      dt.querySelector('.plus').textContent = '-';\n    } else {\n      dd.style.display = 'none';\n      dt.querySelector('.plus').textContent = '+';\n    }\n  }\n\u003c\/script\u003e","brand":"HVAC Premium","offers":[{"title":"Default Title","offer_id":15783479738434,"sku":"CRG1030","price":77.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/8213\/6898\/products\/10-x-30-or-30-x-10-cube-core-eggcrate-return-air-grillereturn-313573.jpg?v=1743794065"},{"product_id":"12in-x-12in-cube-core-eggcrate-return-air-grille-aluminum-rust-proof-hvac-vent-duct-cover-white-outer-dimensions-1375w-x-1375h","title":"12\" x 12\" Cube Core Eggcrate Return Air Grille","description":"\u003cdiv style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\n\u003cdl class=\"accordion\"\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Details\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSize\u003c\/b\u003e – 12\" x 12\" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 13.75\" X 13.75\".\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh Quality\u003c\/b\u003e – High-quality, rust-free aluminum construction with smooth finished edges and counter-sunk screw holes (screws included); no sharp edges..\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInstallation Location\u003c\/b\u003e – sidewall and ceiling.\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDesign\u003c\/b\u003e – Cubic core eggcrate design Offers highest airflow efficiency at almost 95%, reducing electric bills and extending HVAC machine lifespan; provides a modern look and quiet operation due to its half-inch by half-inch cube design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePowder-Coat Finish\u003c\/b\u003e – Smooth, shiny, scratch-resistant, beautiful. Looks like it was just waxed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eQuality Packaging\u003c\/b\u003e – Carefully shrink wrapped with cardboard backing to prevent damage in shipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Description\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eEnhance your ventilation system with our high-quality grilles and registers. Designed for optimal air flow and lasting durability, our carefully crafted products offer superior performance. With precise measurements and easy installation, they seamlessly integrate into your space, ensuring a perfect fit. Experience the difference in quality with our sleek design and hassle-free functionality. Elevate your air system today and enjoy improved aesthetics and efficient airflow for a comfortable living environment.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eHow To Measure A Grille\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003e\u003cstrong\u003eOverall Size:\u003c\/strong\u003e\u003cbr\u003e Measure the size of the air duct\/drywall opening. Do not measure the overall size of the register itself, only measure the \"hole\" in the wall\/duct. Every grille has a front end frame that will overlap at the wall joint. The total outer size of this grille is the listed size plus 1.75\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWidth vs Height:\u003c\/strong\u003e\u003cbr\u003e The first number in a grille size represents the width, and the second number represents the height. For example, if your hole is 20\" wide by 14\" tall, order a 20x14 grille. If your hole is 14\" wide by 20\" tall, order a 14x20 grille.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eWhy Hvac Premium\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eHVAC Premium has been providing superior quality service for many years. We pride ourselves on offering top-of-the-line products that meet the highest standards. With our extensive selection of Grilles, Registers, and Diffusers, we have assisted countless contractors, DIY projects, and home improvement remodeling specialists in completing their masterpieces. If you are looking to enhance your project with a top-of-the-line unit, look no further than HVAC Premium.\u003c\/p\u003e\n\u003cp\u003eWe carry sizes the big box stores don't, ensuring that you find the perfect fit for your ventilation needs. We are proud to have served over 5,000,000 satisfied customers!\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\u003c!--\n  .plus {\n    display: inline-block;\n    width: 20px;\n    height: 20px;\n    background-color: #000;\n    color: #fff;\n    font-size: 14px;\n    text-align: center;\n    line-height: 20px;\n    margin-right: 8px;\n    border-radius: 50%;\n  }\n\n  .accordion-title {\n    font-size: 18px;\n  }\n--\u003e\u003c\/style\u003e\n\u003cscript\u003e\n  function toggleAccordion(event) {\n    event.preventDefault();\n    const dt = event.target.closest('dt');\n    const dd = dt.nextElementSibling;\n\n    if (dd.style.display === 'none') {\n      dd.style.display = 'block';\n      dt.querySelector('.plus').textContent = '-';\n    } else {\n      dd.style.display = 'none';\n      dt.querySelector('.plus').textContent = '+';\n    }\n  }\n\u003c\/script\u003e","brand":"HVAC Premium","offers":[{"title":"Default Title","offer_id":15783480655938,"sku":"CRG1212","price":38.24,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/8213\/6898\/files\/1010_1.jpg?v=1776950615"},{"product_id":"12in-x-24in-cube-core-eggcrate-return-air-grille-aluminum-rust-proof-hvac-vent-duct-cover-white-outer-dimensions-1375w-x-2575h","title":"12\" x 24\" or 24\" x 12\" Cube Core Eggcrate Return Air Grille","description":"\u003cdiv style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\n\u003cdl class=\"accordion\"\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Details\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSize\u003c\/b\u003e – 12\" x 24\" or 24\" x 12\" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 13.75\" X 25.75\".\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh Quality\u003c\/b\u003e – High-quality, rust-free aluminum construction with smooth finished edges and counter-sunk screw holes (screws included); no sharp edges..\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInstallation Location\u003c\/b\u003e – sidewall and ceiling.\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDesign\u003c\/b\u003e – Cubic core eggcrate design Offers highest airflow efficiency at almost 95%, reducing electric bills and extending HVAC machine lifespan; provides a modern look and quiet operation due to its half-inch by half-inch cube design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePowder-Coat Finish\u003c\/b\u003e – Smooth, shiny, scratch-resistant, beautiful. Looks like it was just waxed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eQuality Packaging\u003c\/b\u003e – Carefully shrink wrapped with cardboard backing to prevent damage in shipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Description\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eEnhance your ventilation system with our high-quality grilles and registers. Designed for optimal air flow and lasting durability, our carefully crafted products offer superior performance. With precise measurements and easy installation, they seamlessly integrate into your space, ensuring a perfect fit. Experience the difference in quality with our sleek design and hassle-free functionality. Elevate your air system today and enjoy improved aesthetics and efficient airflow for a comfortable living environment.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eHow To Measure A Grille\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003e\u003cstrong\u003eOverall Size:\u003c\/strong\u003e\u003cbr\u003e Measure the size of the air duct\/drywall opening. Do not measure the overall size of the register itself, only measure the \"hole\" in the wall\/duct. Every grille has a front end frame that will overlap at the wall joint. The total outer size of this grille is the listed size plus 1.75\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWidth vs Height:\u003c\/strong\u003e\u003cbr\u003e The first number in a grille size represents the width, and the second number represents the height. For example, if your hole is 20\" wide by 14\" tall, order a 20x14 grille. If your hole is 14\" wide by 20\" tall, order a 14x20 grille.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eWhy Hvac Premium\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eHVAC Premium has been providing superior quality service for many years. We pride ourselves on offering top-of-the-line products that meet the highest standards. With our extensive selection of Grilles, Registers, and Diffusers, we have assisted countless contractors, DIY projects, and home improvement remodeling specialists in completing their masterpieces. If you are looking to enhance your project with a top-of-the-line unit, look no further than HVAC Premium.\u003c\/p\u003e\n\u003cp\u003eWe carry sizes the big box stores don't, ensuring that you find the perfect fit for your ventilation needs. We are proud to have served over 5,000,000 satisfied customers!\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\u003c!--\n  .plus {\n    display: inline-block;\n    width: 20px;\n    height: 20px;\n    background-color: #000;\n    color: #fff;\n    font-size: 14px;\n    text-align: center;\n    line-height: 20px;\n    margin-right: 8px;\n    border-radius: 50%;\n  }\n\n  .accordion-title {\n    font-size: 18px;\n  }\n--\u003e\u003c\/style\u003e\n\u003cscript\u003e\n  function toggleAccordion(event) {\n    event.preventDefault();\n    const dt = event.target.closest('dt');\n    const dd = dt.nextElementSibling;\n\n    if (dd.style.display === 'none') {\n      dd.style.display = 'block';\n      dt.querySelector('.plus').textContent = '-';\n    } else {\n      dd.style.display = 'none';\n      dt.querySelector('.plus').textContent = '+';\n    }\n  }\n\u003c\/script\u003e","brand":"HVAC Premium","offers":[{"title":"Default Title","offer_id":15783481540674,"sku":"CRG1224-1","price":66.3,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/8213\/6898\/products\/12-x-24-or-24-x-12-cube-core-eggcrate-return-air-grillereturn-360496.jpg?v=1743794064"},{"product_id":"12in-x-30in-cube-core-eggcrate-return-air-grille-aluminum-rust-proof-hvac-vent-duct-cover-white-outer-dimensions-1375w-x-3175h","title":"12\" x 30\" or 30\" x 12\" Cube Core Eggcrate Return Air Grille","description":"\u003cdiv style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\n\u003cdl class=\"accordion\"\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Details\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSize\u003c\/b\u003e – 12\" x 30\" or 30\" x 12\" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 13.75\" X 31.75\".\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh Quality\u003c\/b\u003e – High-quality, rust-free aluminum construction with smooth finished edges and counter-sunk screw holes (screws included); no sharp edges..\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInstallation Location\u003c\/b\u003e – sidewall and ceiling.\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDesign\u003c\/b\u003e – Cubic core eggcrate design Offers highest airflow efficiency at almost 95%, reducing electric bills and extending HVAC machine lifespan; provides a modern look and quiet operation due to its half-inch by half-inch cube design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePowder-Coat Finish\u003c\/b\u003e – Smooth, shiny, scratch-resistant, beautiful. Looks like it was just waxed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eQuality Packaging\u003c\/b\u003e – Carefully shrink wrapped with cardboard backing to prevent damage in shipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Description\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eEnhance your ventilation system with our high-quality grilles and registers. Designed for optimal air flow and lasting durability, our carefully crafted products offer superior performance. With precise measurements and easy installation, they seamlessly integrate into your space, ensuring a perfect fit. Experience the difference in quality with our sleek design and hassle-free functionality. Elevate your air system today and enjoy improved aesthetics and efficient airflow for a comfortable living environment.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eHow To Measure A Grille\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003e\u003cstrong\u003eOverall Size:\u003c\/strong\u003e\u003cbr\u003e Measure the size of the air duct\/drywall opening. Do not measure the overall size of the register itself, only measure the \"hole\" in the wall\/duct. Every grille has a front end frame that will overlap at the wall joint. The total outer size of this grille is the listed size plus 1.75\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWidth vs Height:\u003c\/strong\u003e\u003cbr\u003e The first number in a grille size represents the width, and the second number represents the height. For example, if your hole is 20\" wide by 14\" tall, order a 20x14 grille. If your hole is 14\" wide by 20\" tall, order a 14x20 grille.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eWhy Hvac Premium\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eHVAC Premium has been providing superior quality service for many years. We pride ourselves on offering top-of-the-line products that meet the highest standards. With our extensive selection of Grilles, Registers, and Diffusers, we have assisted countless contractors, DIY projects, and home improvement remodeling specialists in completing their masterpieces. If you are looking to enhance your project with a top-of-the-line unit, look no further than HVAC Premium.\u003c\/p\u003e\n\u003cp\u003eWe carry sizes the big box stores don't, ensuring that you find the perfect fit for your ventilation needs. We are proud to have served over 5,000,000 satisfied customers!\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\u003c!--\n  .plus {\n    display: inline-block;\n    width: 20px;\n    height: 20px;\n    background-color: #000;\n    color: #fff;\n    font-size: 14px;\n    text-align: center;\n    line-height: 20px;\n    margin-right: 8px;\n    border-radius: 50%;\n  }\n\n  .accordion-title {\n    font-size: 18px;\n  }\n--\u003e\u003c\/style\u003e\n\u003cscript\u003e\n  function toggleAccordion(event) {\n    event.preventDefault();\n    const dt = event.target.closest('dt');\n    const dd = dt.nextElementSibling;\n\n    if (dd.style.display === 'none') {\n      dd.style.display = 'block';\n      dt.querySelector('.plus').textContent = '-';\n    } else {\n      dd.style.display = 'none';\n      dt.querySelector('.plus').textContent = '+';\n    }\n  }\n\u003c\/script\u003e","brand":"HVAC Premium","offers":[{"title":"Default Title","offer_id":15783482196034,"sku":"CRG1230","price":77.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/8213\/6898\/products\/12-x-30-or-30-x-12-cube-core-eggcrate-return-air-grillereturn-145643.jpg?v=1743794064"},{"product_id":"14in-x-14in-cube-core-eggcrate-return-air-grille-aluminum-rust-proof-hvac-vent-duct-cover-white-outer-dimensions-1575w-x-1575h","title":"14\" x 14\" Cube Core Eggcrate Return Air Grille","description":"\u003cdiv style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\n\u003cdl class=\"accordion\"\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Details\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSize\u003c\/b\u003e – 14\" x 14\" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 15.75\" X 15.75\".\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh Quality\u003c\/b\u003e – High-quality, rust-free aluminum construction with smooth finished edges and counter-sunk screw holes (screws included); no sharp edges..\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInstallation Location\u003c\/b\u003e – sidewall and ceiling.\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDesign\u003c\/b\u003e – Cubic core eggcrate design Offers highest airflow efficiency at almost 95%, reducing electric bills and extending HVAC machine lifespan; provides a modern look and quiet operation due to its half-inch by half-inch cube design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePowder-Coat Finish\u003c\/b\u003e – Smooth, shiny, scratch-resistant, beautiful. Looks like it was just waxed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eQuality Packaging\u003c\/b\u003e – Carefully shrink wrapped with cardboard backing to prevent damage in shipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Description\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eEnhance your ventilation system with our high-quality grilles and registers. Designed for optimal air flow and lasting durability, our carefully crafted products offer superior performance. With precise measurements and easy installation, they seamlessly integrate into your space, ensuring a perfect fit. Experience the difference in quality with our sleek design and hassle-free functionality. Elevate your air system today and enjoy improved aesthetics and efficient airflow for a comfortable living environment.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eHow To Measure A Grille\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003e\u003cstrong\u003eOverall Size:\u003c\/strong\u003e\u003cbr\u003e Measure the size of the air duct\/drywall opening. Do not measure the overall size of the register itself, only measure the \"hole\" in the wall\/duct. Every grille has a front end frame that will overlap at the wall joint. The total outer size of this grille is the listed size plus 1.75\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWidth vs Height:\u003c\/strong\u003e\u003cbr\u003e The first number in a grille size represents the width, and the second number represents the height. For example, if your hole is 20\" wide by 14\" tall, order a 20x14 grille. If your hole is 14\" wide by 20\" tall, order a 14x20 grille.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eWhy Hvac Premium\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eHVAC Premium has been providing superior quality service for many years. We pride ourselves on offering top-of-the-line products that meet the highest standards. With our extensive selection of Grilles, Registers, and Diffusers, we have assisted countless contractors, DIY projects, and home improvement remodeling specialists in completing their masterpieces. If you are looking to enhance your project with a top-of-the-line unit, look no further than HVAC Premium.\u003c\/p\u003e\n\u003cp\u003eWe carry sizes the big box stores don't, ensuring that you find the perfect fit for your ventilation needs. We are proud to have served over 5,000,000 satisfied customers!\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\u003c!--\n  .plus {\n    display: inline-block;\n    width: 20px;\n    height: 20px;\n    background-color: #000;\n    color: #fff;\n    font-size: 14px;\n    text-align: center;\n    line-height: 20px;\n    margin-right: 8px;\n    border-radius: 50%;\n  }\n\n  .accordion-title {\n    font-size: 18px;\n  }\n--\u003e\u003c\/style\u003e\n\u003cscript\u003e\n  function toggleAccordion(event) {\n    event.preventDefault();\n    const dt = event.target.closest('dt');\n    const dd = dt.nextElementSibling;\n\n    if (dd.style.display === 'none') {\n      dd.style.display = 'block';\n      dt.querySelector('.plus').textContent = '-';\n    } else {\n      dd.style.display = 'none';\n      dt.querySelector('.plus').textContent = '+';\n    }\n  }\n\u003c\/script\u003e","brand":"HVAC Premium","offers":[{"title":"Default Title","offer_id":15783482261570,"sku":"CRG1414","price":50.21,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/8213\/6898\/products\/14-x-14-cube-core-eggcrate-return-air-grillereturn-191716.jpg?v=1743794065"},{"product_id":"14in-x-20in-cube-core-eggcrate-return-air-grille-aluminum-rust-proof-hvac-vent-duct-cover-white-outer-dimensions-1575w-x-2175h","title":"14\" x 20\" or 20\" x 14\" Cube Core Eggcrate Return Air Grille","description":"\u003cdiv style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\n\u003cdl class=\"accordion\"\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Details\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSize\u003c\/b\u003e – 14\" x 20\" or 20\" x 14\" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 15.75\" X 21.75\".\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh Quality\u003c\/b\u003e – High-quality, rust-free aluminum construction with smooth finished edges and counter-sunk screw holes (screws included); no sharp edges..\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInstallation Location\u003c\/b\u003e – sidewall and ceiling.\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDesign\u003c\/b\u003e – Cubic core eggcrate design Offers highest airflow efficiency at almost 95%, reducing electric bills and extending HVAC machine lifespan; provides a modern look and quiet operation due to its half-inch by half-inch cube design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePowder-Coat Finish\u003c\/b\u003e – Smooth, shiny, scratch-resistant, beautiful. Looks like it was just waxed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eQuality Packaging\u003c\/b\u003e – Carefully shrink wrapped with cardboard backing to prevent damage in shipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Description\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eEnhance your ventilation system with our high-quality grilles and registers. Designed for optimal air flow and lasting durability, our carefully crafted products offer superior performance. With precise measurements and easy installation, they seamlessly integrate into your space, ensuring a perfect fit. Experience the difference in quality with our sleek design and hassle-free functionality. Elevate your air system today and enjoy improved aesthetics and efficient airflow for a comfortable living environment.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eHow To Measure A Grille\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003e\u003cstrong\u003eOverall Size:\u003c\/strong\u003e\u003cbr\u003e Measure the size of the air duct\/drywall opening. Do not measure the overall size of the register itself, only measure the \"hole\" in the wall\/duct. Every grille has a front end frame that will overlap at the wall joint. The total outer size of this grille is the listed size plus 1.75\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWidth vs Height:\u003c\/strong\u003e\u003cbr\u003e The first number in a grille size represents the width, and the second number represents the height. For example, if your hole is 20\" wide by 14\" tall, order a 20x14 grille. If your hole is 14\" wide by 20\" tall, order a 14x20 grille.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eWhy Hvac Premium\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eHVAC Premium has been providing superior quality service for many years. We pride ourselves on offering top-of-the-line products that meet the highest standards. With our extensive selection of Grilles, Registers, and Diffusers, we have assisted countless contractors, DIY projects, and home improvement remodeling specialists in completing their masterpieces. If you are looking to enhance your project with a top-of-the-line unit, look no further than HVAC Premium.\u003c\/p\u003e\n\u003cp\u003eWe carry sizes the big box stores don't, ensuring that you find the perfect fit for your ventilation needs. We are proud to have served over 5,000,000 satisfied customers!\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\u003c!--\n  .plus {\n    display: inline-block;\n    width: 20px;\n    height: 20px;\n    background-color: #000;\n    color: #fff;\n    font-size: 14px;\n    text-align: center;\n    line-height: 20px;\n    margin-right: 8px;\n    border-radius: 50%;\n  }\n\n  .accordion-title {\n    font-size: 18px;\n  }\n--\u003e\u003c\/style\u003e\n\u003cscript\u003e\n  function toggleAccordion(event) {\n    event.preventDefault();\n    const dt = event.target.closest('dt');\n    const dd = dt.nextElementSibling;\n\n    if (dd.style.display === 'none') {\n      dd.style.display = 'block';\n      dt.querySelector('.plus').textContent = '-';\n    } else {\n      dd.style.display = 'none';\n      dt.querySelector('.plus').textContent = '+';\n    }\n  }\n\u003c\/script\u003e","brand":"HVAC Premium","offers":[{"title":"Default Title","offer_id":15783482359874,"sku":"CRG1420-1","price":66.39,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/8213\/6898\/products\/14-x-20-or-20-x-14-cube-core-eggcrate-return-air-grillereturn-963528.jpg?v=1743794065"},{"product_id":"14in-x-30in-cube-core-eggcrate-return-air-grille-aluminum-rust-proof-hvac-vent-duct-cover-white-outer-dimensions-1575w-x-3175h","title":"14\" x 30\" or 30\" x 14\" Cube Core Eggcrate Return Air Grille","description":"\u003cdiv style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\n\u003cdl class=\"accordion\"\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Details\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSize\u003c\/b\u003e – 14\" x 30\" or 30\" x 14\" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 15.75\" X 31.75\".\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh Quality\u003c\/b\u003e – High-quality, rust-free aluminum construction with smooth finished edges and counter-sunk screw holes (screws included); no sharp edges..\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInstallation Location\u003c\/b\u003e – sidewall and ceiling.\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDesign\u003c\/b\u003e – Cubic core eggcrate design Offers highest airflow efficiency at almost 95%, reducing electric bills and extending HVAC machine lifespan; provides a modern look and quiet operation due to its half-inch by half-inch cube design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePowder-Coat Finish\u003c\/b\u003e – Smooth, shiny, scratch-resistant, beautiful. Looks like it was just waxed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eQuality Packaging\u003c\/b\u003e – Carefully shrink wrapped with cardboard backing to prevent damage in shipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Description\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eEnhance your ventilation system with our high-quality grilles and registers. Designed for optimal air flow and lasting durability, our carefully crafted products offer superior performance. With precise measurements and easy installation, they seamlessly integrate into your space, ensuring a perfect fit. Experience the difference in quality with our sleek design and hassle-free functionality. Elevate your air system today and enjoy improved aesthetics and efficient airflow for a comfortable living environment.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eHow To Measure A Grille\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003e\u003cstrong\u003eOverall Size:\u003c\/strong\u003e\u003cbr\u003e Measure the size of the air duct\/drywall opening. Do not measure the overall size of the register itself, only measure the \"hole\" in the wall\/duct. Every grille has a front end frame that will overlap at the wall joint. The total outer size of this grille is the listed size plus 1.75\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWidth vs Height:\u003c\/strong\u003e\u003cbr\u003e The first number in a grille size represents the width, and the second number represents the height. For example, if your hole is 20\" wide by 14\" tall, order a 20x14 grille. If your hole is 14\" wide by 20\" tall, order a 14x20 grille.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eWhy Hvac Premium\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eHVAC Premium has been providing superior quality service for many years. We pride ourselves on offering top-of-the-line products that meet the highest standards. With our extensive selection of Grilles, Registers, and Diffusers, we have assisted countless contractors, DIY projects, and home improvement remodeling specialists in completing their masterpieces. If you are looking to enhance your project with a top-of-the-line unit, look no further than HVAC Premium.\u003c\/p\u003e\n\u003cp\u003eWe carry sizes the big box stores don't, ensuring that you find the perfect fit for your ventilation needs. We are proud to have served over 5,000,000 satisfied customers!\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\u003c!--\n  .plus {\n    display: inline-block;\n    width: 20px;\n    height: 20px;\n    background-color: #000;\n    color: #fff;\n    font-size: 14px;\n    text-align: center;\n    line-height: 20px;\n    margin-right: 8px;\n    border-radius: 50%;\n  }\n\n  .accordion-title {\n    font-size: 18px;\n  }\n--\u003e\u003c\/style\u003e\n\u003cscript\u003e\n  function toggleAccordion(event) {\n    event.preventDefault();\n    const dt = event.target.closest('dt');\n    const dd = dt.nextElementSibling;\n\n    if (dd.style.display === 'none') {\n      dd.style.display = 'block';\n      dt.querySelector('.plus').textContent = '-';\n    } else {\n      dd.style.display = 'none';\n      dt.querySelector('.plus').textContent = '+';\n    }\n  }\n\u003c\/script\u003e","brand":"HVAC Premium","offers":[{"title":"Default Title","offer_id":15783482458178,"sku":"CRG1430","price":98.73,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/8213\/6898\/files\/14-x-30-or-30-x-14-cube-core-eggcrate-return-air-grillereturn-695448.jpg?v=1743794065"},{"product_id":"16in-x-16in-cube-core-eggcrate-return-air-grille-aluminum-rust-prrof-hvac-vent-duct-cover-white-outer-dimensions-1775w-x-1775h","title":"16\" x 16\" Cube Core Eggcrate Return Air Grille","description":"\u003cdiv style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\n\u003cdl class=\"accordion\"\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Details\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSize\u003c\/b\u003e – 16\" x 16\" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 17.75\" X 17.75\".\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh Quality\u003c\/b\u003e – High-quality, rust-free aluminum construction with smooth finished edges and counter-sunk screw holes (screws included); no sharp edges..\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInstallation Location\u003c\/b\u003e – sidewall and ceiling.\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDesign\u003c\/b\u003e – Cubic core eggcrate design Offers highest airflow efficiency at almost 95%, reducing electric bills and extending HVAC machine lifespan; provides a modern look and quiet operation due to its half-inch by half-inch cube design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePowder-Coat Finish\u003c\/b\u003e – Smooth, shiny, scratch-resistant, beautiful. Looks like it was just waxed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eQuality Packaging\u003c\/b\u003e – Carefully shrink wrapped with cardboard backing to prevent damage in shipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Description\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eEnhance your ventilation system with our high-quality grilles and registers. Designed for optimal air flow and lasting durability, our carefully crafted products offer superior performance. With precise measurements and easy installation, they seamlessly integrate into your space, ensuring a perfect fit. Experience the difference in quality with our sleek design and hassle-free functionality. Elevate your air system today and enjoy improved aesthetics and efficient airflow for a comfortable living environment.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eHow To Measure A Grille\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003e\u003cstrong\u003eOverall Size:\u003c\/strong\u003e\u003cbr\u003e Measure the size of the air duct\/drywall opening. Do not measure the overall size of the register itself, only measure the \"hole\" in the wall\/duct. Every grille has a front end frame that will overlap at the wall joint. The total outer size of this grille is the listed size plus 1.75\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWidth vs Height:\u003c\/strong\u003e\u003cbr\u003e The first number in a grille size represents the width, and the second number represents the height. For example, if your hole is 20\" wide by 14\" tall, order a 20x14 grille. If your hole is 14\" wide by 20\" tall, order a 14x20 grille.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eWhy Hvac Premium\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eHVAC Premium has been providing superior quality service for many years. We pride ourselves on offering top-of-the-line products that meet the highest standards. With our extensive selection of Grilles, Registers, and Diffusers, we have assisted countless contractors, DIY projects, and home improvement remodeling specialists in completing their masterpieces. If you are looking to enhance your project with a top-of-the-line unit, look no further than HVAC Premium.\u003c\/p\u003e\n\u003cp\u003eWe carry sizes the big box stores don't, ensuring that you find the perfect fit for your ventilation needs. We are proud to have served over 5,000,000 satisfied customers!\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\u003c!--\n  .plus {\n    display: inline-block;\n    width: 20px;\n    height: 20px;\n    background-color: #000;\n    color: #fff;\n    font-size: 14px;\n    text-align: center;\n    line-height: 20px;\n    margin-right: 8px;\n    border-radius: 50%;\n  }\n\n  .accordion-title {\n    font-size: 18px;\n  }\n--\u003e\u003c\/style\u003e\n\u003cscript\u003e\n  function toggleAccordion(event) {\n    event.preventDefault();\n    const dt = event.target.closest('dt');\n    const dd = dt.nextElementSibling;\n\n    if (dd.style.display === 'none') {\n      dd.style.display = 'block';\n      dt.querySelector('.plus').textContent = '-';\n    } else {\n      dd.style.display = 'none';\n      dt.querySelector('.plus').textContent = '+';\n    }\n  }\n\u003c\/script\u003e","brand":"HVAC Premium","offers":[{"title":"Default Title","offer_id":15783482523714,"sku":"CRG1616-HP","price":69.57,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/8213\/6898\/products\/16-x-16-cube-core-eggcrate-return-air-grillereturn-319862.jpg?v=1743794064"},{"product_id":"16in-x-20in-cube-core-eggcrate-return-air-grille-aluminum-rust-prrof-hvac-vent-duct-cover-white-outer-dimensions-1775w-x-2175h","title":"16\" x 20\" or 20\" x 16\" Cube Core Eggcrate Return Air Grille","description":"\u003cdiv style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\n\u003cdl class=\"accordion\"\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Details\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSize\u003c\/b\u003e – 16\" x 20\" or 20\" x 16\" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 17.75\" X 21.75\".\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh Quality\u003c\/b\u003e – High-quality, rust-free aluminum construction with smooth finished edges and counter-sunk screw holes (screws included); no sharp edges..\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInstallation Location\u003c\/b\u003e – sidewall and ceiling.\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDesign\u003c\/b\u003e – Cubic core eggcrate design Offers highest airflow efficiency at almost 95%, reducing electric bills and extending HVAC machine lifespan; provides a modern look and quiet operation due to its half-inch by half-inch cube design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePowder-Coat Finish\u003c\/b\u003e – Smooth, shiny, scratch-resistant, beautiful. Looks like it was just waxed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eQuality Packaging\u003c\/b\u003e – Carefully shrink wrapped with cardboard backing to prevent damage in shipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Description\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eEnhance your ventilation system with our high-quality grilles and registers. Designed for optimal air flow and lasting durability, our carefully crafted products offer superior performance. With precise measurements and easy installation, they seamlessly integrate into your space, ensuring a perfect fit. Experience the difference in quality with our sleek design and hassle-free functionality. Elevate your air system today and enjoy improved aesthetics and efficient airflow for a comfortable living environment.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eHow To Measure A Grille\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003e\u003cstrong\u003eOverall Size:\u003c\/strong\u003e\u003cbr\u003e Measure the size of the air duct\/drywall opening. Do not measure the overall size of the register itself, only measure the \"hole\" in the wall\/duct. Every grille has a front end frame that will overlap at the wall joint. The total outer size of this grille is the listed size plus 1.75\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWidth vs Height:\u003c\/strong\u003e\u003cbr\u003e The first number in a grille size represents the width, and the second number represents the height. For example, if your hole is 20\" wide by 14\" tall, order a 20x14 grille. If your hole is 14\" wide by 20\" tall, order a 14x20 grille.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eWhy Hvac Premium\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eHVAC Premium has been providing superior quality service for many years. We pride ourselves on offering top-of-the-line products that meet the highest standards. With our extensive selection of Grilles, Registers, and Diffusers, we have assisted countless contractors, DIY projects, and home improvement remodeling specialists in completing their masterpieces. If you are looking to enhance your project with a top-of-the-line unit, look no further than HVAC Premium.\u003c\/p\u003e\n\u003cp\u003eWe carry sizes the big box stores don't, ensuring that you find the perfect fit for your ventilation needs. We are proud to have served over 5,000,000 satisfied customers!\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\u003c!--\n  .plus {\n    display: inline-block;\n    width: 20px;\n    height: 20px;\n    background-color: #000;\n    color: #fff;\n    font-size: 14px;\n    text-align: center;\n    line-height: 20px;\n    margin-right: 8px;\n    border-radius: 50%;\n  }\n\n  .accordion-title {\n    font-size: 18px;\n  }\n--\u003e\u003c\/style\u003e\n\u003cscript\u003e\n  function toggleAccordion(event) {\n    event.preventDefault();\n    const dt = event.target.closest('dt');\n    const dd = dt.nextElementSibling;\n\n    if (dd.style.display === 'none') {\n      dd.style.display = 'block';\n      dt.querySelector('.plus').textContent = '-';\n    } else {\n      dd.style.display = 'none';\n      dt.querySelector('.plus').textContent = '+';\n    }\n  }\n\u003c\/script\u003e","brand":"HVAC Premium","offers":[{"title":"Default Title","offer_id":15783482622018,"sku":"CRG1620","price":74.04,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/8213\/6898\/products\/16-x-20-or-20-x-16-cube-core-eggcrate-return-air-grillereturn-421848.jpg?v=1743794065"},{"product_id":"18in-x-18in-cube-core-eggcrate-return-air-grille-aluminum-rust-prrof-hvac-vent-duct-cover-white-outer-dimensions-1975w-x-1975h","title":"18\" x 18\" Cube Core Eggcrate Return Air Grille","description":"\u003cdiv style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\n\u003cdl class=\"accordion\"\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Details\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSize\u003c\/b\u003e – 18\"w X 18\"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 19.75\" width X 19.75\" height.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh Quality\u003c\/b\u003e – High-quality rust-free, strong aluminum construction with smooth finished edges for easy and safe use; Filter Grille features a user-friendly plastic latch that requires no screwdriver for opening.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInstallation Location\u003c\/b\u003e – sidewall and ceiling.\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDesign\u003c\/b\u003e – Cubic core eggcrate design Offers highest airflow efficiency at almost 95%, reducing electric bills and extending HVAC machine lifespan; provides a modern look and quiet operation due to its half-inch by half-inch cube design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePowder-Coat Finish\u003c\/b\u003e – Smooth, shiny, scratch-resistant, beautiful. Looks like it was just waxed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eQuality Packaging\u003c\/b\u003e – Carefully shrink wrapped with cardboard backing to prevent damage in shipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Description\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eEnhance your ventilation system with our high-quality grilles and registers. Designed for optimal air flow and lasting durability, our carefully crafted products offer superior performance. With precise measurements and easy installation, they seamlessly integrate into your space, ensuring a perfect fit. Experience the difference in quality with our sleek design and hassle-free functionality. Elevate your air system today and enjoy improved aesthetics and efficient airflow for a comfortable living environment.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eHow To Measure A Grille\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003e\u003cstrong\u003eOverall Size:\u003c\/strong\u003e\u003cbr\u003e Measure the size of the air duct\/drywall opening. Do not measure the overall size of the register itself, only measure the \"hole\" in the wall\/duct. Every grille has a front end frame that will overlap at the wall joint. The total outer size of this grille is the listed size plus 1.75\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWidth vs Height:\u003c\/strong\u003e\u003cbr\u003e The first number in a grille size represents the width, and the second number represents the height. For example, if your hole is 20\" wide by 14\" tall, order a 20x14 grille. If your hole is 14\" wide by 20\" tall, order a 14x20 grille.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eWhy Hvac Premium\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eHVAC Premium has been providing superior quality service for many years. We pride ourselves on offering top-of-the-line products that meet the highest standards. With our extensive selection of Grilles, Registers, and Diffusers, we have assisted countless contractors, DIY projects, and home improvement remodeling specialists in completing their masterpieces. If you are looking to enhance your project with a top-of-the-line unit, look no further than HVAC Premium.\u003c\/p\u003e\n\u003cp\u003eWe carry sizes the big box stores don't, ensuring that you find the perfect fit for your ventilation needs. We are proud to have served over 5,000,000 satisfied customers!\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\u003c!--\n  .plus {\n    display: inline-block;\n    width: 20px;\n    height: 20px;\n    background-color: #000;\n    color: #fff;\n    font-size: 14px;\n    text-align: center;\n    line-height: 20px;\n    margin-right: 8px;\n    border-radius: 50%;\n  }\n\n  .accordion-title {\n    font-size: 18px;\n  }\n--\u003e\u003c\/style\u003e\n\u003cscript\u003e\n  function toggleAccordion(event) {\n    event.preventDefault();\n    const dt = event.target.closest('dt');\n    const dd = dt.nextElementSibling;\n\n    if (dd.style.display === 'none') {\n      dd.style.display = 'block';\n      dt.querySelector('.plus').textContent = '-';\n    } else {\n      dd.style.display = 'none';\n      dt.querySelector('.plus').textContent = '+';\n    }\n  }\n\u003c\/script\u003e","brand":"HVAC Premium","offers":[{"title":"Default Title","offer_id":15783482753090,"sku":"CRG1818","price":71.85,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/8213\/6898\/products\/18-x-18-cube-core-eggcrate-return-air-grillereturn-723734.jpg?v=1743794065"},{"product_id":"20in-x-20in-cube-core-eggcrate-return-air-grille-aluminum-rust-prrof-hvac-vent-duct-cover-white-outer-dimensions-2175w-x-2175h","title":"20\" x 20\" Cube Core Eggcrate Return Air Grille","description":"\u003cdiv style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\n\u003cdl class=\"accordion\"\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Details\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSize\u003c\/b\u003e – 20\" x 20\" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 21.75\" X 21.75\".\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh Quality\u003c\/b\u003e – High-quality, rust-free aluminum construction with smooth finished edges and counter-sunk screw holes (screws included); no sharp edges..\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInstallation Location\u003c\/b\u003e – sidewall and ceiling.\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDesign\u003c\/b\u003e – Cubic core eggcrate design Offers highest airflow efficiency at almost 95%, reducing electric bills and extending HVAC machine lifespan; provides a modern look and quiet operation due to its half-inch by half-inch cube design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePowder-Coat Finish\u003c\/b\u003e – Smooth, shiny, scratch-resistant, beautiful. Looks like it was just waxed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eQuality Packaging\u003c\/b\u003e – Carefully shrink wrapped with cardboard backing to prevent damage in shipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Description\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eEnhance your ventilation system with our high-quality grilles and registers. Designed for optimal air flow and lasting durability, our carefully crafted products offer superior performance. With precise measurements and easy installation, they seamlessly integrate into your space, ensuring a perfect fit. Experience the difference in quality with our sleek design and hassle-free functionality. Elevate your air system today and enjoy improved aesthetics and efficient airflow for a comfortable living environment.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eHow To Measure A Grille\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003e\u003cstrong\u003eOverall Size:\u003c\/strong\u003e\u003cbr\u003e Measure the size of the air duct\/drywall opening. Do not measure the overall size of the register itself, only measure the \"hole\" in the wall\/duct. Every grille has a front end frame that will overlap at the wall joint. The total outer size of this grille is the listed size plus 1.75\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWidth vs Height:\u003c\/strong\u003e\u003cbr\u003e The first number in a grille size represents the width, and the second number represents the height. For example, if your hole is 20\" wide by 14\" tall, order a 20x14 grille. If your hole is 14\" wide by 20\" tall, order a 14x20 grille.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eWhy Hvac Premium\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eHVAC Premium has been providing superior quality service for many years. We pride ourselves on offering top-of-the-line products that meet the highest standards. With our extensive selection of Grilles, Registers, and Diffusers, we have assisted countless contractors, DIY projects, and home improvement remodeling specialists in completing their masterpieces. If you are looking to enhance your project with a top-of-the-line unit, look no further than HVAC Premium.\u003c\/p\u003e\n\u003cp\u003eWe carry sizes the big box stores don't, ensuring that you find the perfect fit for your ventilation needs. We are proud to have served over 5,000,000 satisfied customers!\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\u003c!--\n  .plus {\n    display: inline-block;\n    width: 20px;\n    height: 20px;\n    background-color: #000;\n    color: #fff;\n    font-size: 14px;\n    text-align: center;\n    line-height: 20px;\n    margin-right: 8px;\n    border-radius: 50%;\n  }\n\n  .accordion-title {\n    font-size: 18px;\n  }\n--\u003e\u003c\/style\u003e\n\u003cscript\u003e\n  function toggleAccordion(event) {\n    event.preventDefault();\n    const dt = event.target.closest('dt');\n    const dd = dt.nextElementSibling;\n\n    if (dd.style.display === 'none') {\n      dd.style.display = 'block';\n      dt.querySelector('.plus').textContent = '-';\n    } else {\n      dd.style.display = 'none';\n      dt.querySelector('.plus').textContent = '+';\n    }\n  }\n\u003c\/script\u003e","brand":"HVAC Premium","offers":[{"title":"Default Title","offer_id":15783485341762,"sku":"CRG2020","price":92.55,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/8213\/6898\/products\/20-x-20-cube-core-eggcrate-return-air-grillereturn-690010.jpg?v=1770929520"},{"product_id":"24in-x-24in-cube-core-eggcrate-return-air-grille-aluminum-rust-prrof-hvac-vent-duct-cover-white-outer-dimensions-2575w-x-2575h","title":"24\" x 24\" Cube Core Eggcrate Return Air Grille","description":"\u003cdiv style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\n\u003cdl class=\"accordion\"\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Details\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSize\u003c\/b\u003e – 24\" x 24\" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 25.75\" X 25.75\".\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh Quality\u003c\/b\u003e – High-quality, rust-free aluminum construction with smooth finished edges and counter-sunk screw holes (screws included); no sharp edges..\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInstallation Location\u003c\/b\u003e – sidewall and ceiling.\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDesign\u003c\/b\u003e – Cubic core eggcrate design Offers highest airflow efficiency at almost 95%, reducing electric bills and extending HVAC machine lifespan; provides a modern look and quiet operation due to its half-inch by half-inch cube design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePowder-Coat Finish\u003c\/b\u003e – Smooth, shiny, scratch-resistant, beautiful. Looks like it was just waxed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eQuality Packaging\u003c\/b\u003e – Carefully shrink wrapped with cardboard backing to prevent damage in shipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Description\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eEnhance your ventilation system with our high-quality grilles and registers. Designed for optimal air flow and lasting durability, our carefully crafted products offer superior performance. With precise measurements and easy installation, they seamlessly integrate into your space, ensuring a perfect fit. Experience the difference in quality with our sleek design and hassle-free functionality. Elevate your air system today and enjoy improved aesthetics and efficient airflow for a comfortable living environment.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eHow To Measure A Grille\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003e\u003cstrong\u003eOverall Size:\u003c\/strong\u003e\u003cbr\u003e Measure the size of the air duct\/drywall opening. Do not measure the overall size of the register itself, only measure the \"hole\" in the wall\/duct. Every grille has a front end frame that will overlap at the wall joint. The total outer size of this grille is the listed size plus 1.75\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWidth vs Height:\u003c\/strong\u003e\u003cbr\u003e The first number in a grille size represents the width, and the second number represents the height. For example, if your hole is 20\" wide by 14\" tall, order a 20x14 grille. If your hole is 14\" wide by 20\" tall, order a 14x20 grille.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eWhy Hvac Premium\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eHVAC Premium has been providing superior quality service for many years. We pride ourselves on offering top-of-the-line products that meet the highest standards. With our extensive selection of Grilles, Registers, and Diffusers, we have assisted countless contractors, DIY projects, and home improvement remodeling specialists in completing their masterpieces. If you are looking to enhance your project with a top-of-the-line unit, look no further than HVAC Premium.\u003c\/p\u003e\n\u003cp\u003eWe carry sizes the big box stores don't, ensuring that you find the perfect fit for your ventilation needs. We are proud to have served over 5,000,000 satisfied customers!\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\u003c!--\n  .plus {\n    display: inline-block;\n    width: 20px;\n    height: 20px;\n    background-color: #000;\n    color: #fff;\n    font-size: 14px;\n    text-align: center;\n    line-height: 20px;\n    margin-right: 8px;\n    border-radius: 50%;\n  }\n\n  .accordion-title {\n    font-size: 18px;\n  }\n--\u003e\u003c\/style\u003e\n\u003cscript\u003e\n  function toggleAccordion(event) {\n    event.preventDefault();\n    const dt = event.target.closest('dt');\n    const dd = dt.nextElementSibling;\n\n    if (dd.style.display === 'none') {\n      dd.style.display = 'block';\n      dt.querySelector('.plus').textContent = '-';\n    } else {\n      dd.style.display = 'none';\n      dt.querySelector('.plus').textContent = '+';\n    }\n  }\n\u003c\/script\u003e","brand":"HVAC Premium","offers":[{"title":"Default Title","offer_id":15783485440066,"sku":"CRG2424","price":98.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/8213\/6898\/products\/24-x-24-cube-core-eggcrate-return-air-grillereturn-634441.jpg?v=1743794062"},{"product_id":"6in-x-8in-cube-core-eggcrate-return-air-grille-aluminum-rust-proof-hvac-vent-duct-cover-white-outer-dimensions-775w-x-975h","title":"6\" x 8\" or 8\" x 6\" Cube Core Eggcrate Return Air Grille","description":"\u003cdiv style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\n\u003cdl class=\"accordion\"\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Details\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSize\u003c\/b\u003e – 6\" x 8\" or 8\" x 6\" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 7.75\" width X 9.75\" height.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh Quality\u003c\/b\u003e – High-quality, rust-free aluminum construction with smooth finished edges and counter-sunk screw holes (screws included); no sharp edges..\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInstallation Location\u003c\/b\u003e – sidewall and ceiling.\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDesign\u003c\/b\u003e – Cubic core eggcrate design Offers highest airflow efficiency at almost 95%, reducing electric bills and extending HVAC machine lifespan; provides a modern look and quiet operation due to its half-inch by half-inch cube design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePowder-Coat Finish\u003c\/b\u003e – Smooth, shiny, scratch-resistant, beautiful. Looks like it was just waxed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eQuality Packaging\u003c\/b\u003e – Carefully shrink wrapped with cardboard backing to prevent damage in shipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Description\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eEnhance your ventilation system with our high-quality grilles and registers. Designed for optimal air flow and lasting durability, our carefully crafted products offer superior performance. With precise measurements and easy installation, they seamlessly integrate into your space, ensuring a perfect fit. Experience the difference in quality with our sleek design and hassle-free functionality. Elevate your air system today and enjoy improved aesthetics and efficient airflow for a comfortable living environment.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eHow To Measure A Grille\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003e\u003cstrong\u003eOverall Size:\u003c\/strong\u003e\u003cbr\u003e Measure the size of the air duct\/drywall opening. Do not measure the overall size of the register itself, only measure the \"hole\" in the wall\/duct. Every grille has a front end frame that will overlap at the wall joint. The total outer size of this grille is the listed size plus 1.75\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWidth vs Height:\u003c\/strong\u003e\u003cbr\u003e The first number in a grille size represents the width, and the second number represents the height. For example, if your hole is 20\" wide by 14\" tall, order a 20x14 grille. If your hole is 14\" wide by 20\" tall, order a 14x20 grille.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eWhy Hvac Premium\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eHVAC Premium has been providing superior quality service for many years. We pride ourselves on offering top-of-the-line products that meet the highest standards. With our extensive selection of Grilles, Registers, and Diffusers, we have assisted countless contractors, DIY projects, and home improvement remodeling specialists in completing their masterpieces. If you are looking to enhance your project with a top-of-the-line unit, look no further than HVAC Premium.\u003c\/p\u003e\n\u003cp\u003eWe carry sizes the big box stores don't, ensuring that you find the perfect fit for your ventilation needs. We are proud to have served over 5,000,000 satisfied customers!\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\u003c!--\n  .plus {\n    display: inline-block;\n    width: 20px;\n    height: 20px;\n    background-color: #000;\n    color: #fff;\n    font-size: 14px;\n    text-align: center;\n    line-height: 20px;\n    margin-right: 8px;\n    border-radius: 50%;\n  }\n\n  .accordion-title {\n    font-size: 18px;\n  }\n--\u003e\u003c\/style\u003e\n\u003cscript\u003e\n  function toggleAccordion(event) {\n    event.preventDefault();\n    const dt = event.target.closest('dt');\n    const dd = dt.nextElementSibling;\n\n    if (dd.style.display === 'none') {\n      dd.style.display = 'block';\n      dt.querySelector('.plus').textContent = '-';\n    } else {\n      dd.style.display = 'none';\n      dt.querySelector('.plus').textContent = '+';\n    }\n  }\n\u003c\/script\u003e","brand":"HVAC Premium","offers":[{"title":"Default Title","offer_id":15783718322242,"sku":"CRG68","price":24.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/8213\/6898\/products\/6-x-8-or-8-x-6-cube-core-eggcrate-return-air-grillereturn-702995.jpg?v=1743792565"},{"product_id":"6in-x-10in-cube-core-eggcrate-return-air-grille-aluminum-rust-proof-hvac-vent-duct-cover-white-outer-dimensions-775w-x-1175h","title":"6\" x 10\" or 10\" x 6\" Cube Core Eggcrate Return Air Grille","description":"\u003cdiv style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\n\u003cdl class=\"accordion\"\u003e\n\u003cdt\u003e\u003ca href=\"#\" class=\"active\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Details\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSize\u003c\/b\u003e – 6\" x 10\" or 10\" x 6\" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 7.75\" X 11.75\".\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh Quality\u003c\/b\u003e – High-quality, rust-free aluminum construction with smooth finished edges and counter-sunk screw holes (screws included); no sharp edges..\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInstallation Location\u003c\/b\u003e – sidewall and ceiling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDesign\u003c\/b\u003e – Cubic core eggcrate design Offers highest airflow efficiency at almost 95%, reducing electric bills and extending HVAC machine lifespan; provides a modern look and quiet operation due to its half-inch by half-inch cube design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePowder-Coat Finish\u003c\/b\u003e – Smooth, shiny, scratch-resistant, beautiful. Looks like it was just waxed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eQuality Packaging\u003c\/b\u003e – Carefully shrink wrapped with cardboard backing to prevent damage in shipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca href=\"#\" class=\"active\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Description\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eEnhance your ventilation system with our high-quality grilles and registers. Designed for optimal air flow and lasting durability, our carefully crafted products offer superior performance. With precise measurements and easy installation, they seamlessly integrate into your space, ensuring a perfect fit. Experience the difference in quality with our sleek design and hassle-free functionality. Elevate your air system today and enjoy improved aesthetics and efficient airflow for a comfortable living environment.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca href=\"#\" class=\"active\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eHow To Measure A Grille\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003e\u003cstrong\u003eOverall Size:\u003c\/strong\u003e\u003cbr\u003e Measure the size of the air duct\/drywall opening. Do not measure the overall size of the register itself, only measure the \"hole\" in the wall\/duct. Every grille has a front end frame that will overlap at the wall joint. The total outer size of this grille is the listed size plus 1.75\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWidth vs Height:\u003c\/strong\u003e\u003cbr\u003e The first number in a grille size represents the width, and the second number represents the height. For example, if your hole is 20\" wide by 14\" tall, order a 20x14 grille. If your hole is 14\" wide by 20\" tall, order a 14x20 grille.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca href=\"#\" class=\"active\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eWhy Hvac Premium\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eHVAC Premium has been providing superior quality service for many years. We pride ourselves on offering top-of-the-line products that meet the highest standards. With our extensive selection of Grilles, Registers, and Diffusers, we have assisted countless contractors, DIY projects, and home improvement remodeling specialists in completing their masterpieces. If you are looking to enhance your project with a top-of-the-line unit, look no further than HVAC Premium.\u003c\/p\u003e\n\u003cp\u003eWe carry sizes the big box stores don't, ensuring that you find the perfect fit for your ventilation needs. We are proud to have served over 5,000,000 satisfied customers!\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\u003c!--\n.plus {\n    display: inline-block;\n    width: 20px;\n    height: 20px;\n    background-color: #000;\n    color: #fff;\n    font-size: 14px;\n    text-align: center;\n    line-height: 20px;\n    margin-right: 8px;\n    border-radius: 50%;\n  }\n\n  .accordion-title {\n    font-size: 18px;\n  }\n--\u003e\u003c\/style\u003e\n\u003cscript\u003e\n  function toggleAccordion(event) {\n    event.preventDefault();\n    const dt = event.target.closest('dt');\n    const dd = dt.nextElementSibling;\n\n    if (dd.style.display === 'none') {\n      dd.style.display = 'block';\n      dt.querySelector('.plus').textContent = '-';\n    } else {\n      dd.style.display = 'none';\n      dt.querySelector('.plus').textContent = '+';\n    }\n  }\n\u003c\/script\u003e","brand":"HVAC Premium","offers":[{"title":"Default Title","offer_id":15783718387778,"sku":"CRG610","price":28.66,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/8213\/6898\/products\/6-x-10-or-10-x-6-cube-core-eggcrate-return-air-grillereturn-184409.jpg?v=1743792565"},{"product_id":"6in-x-18in-cube-core-eggcrate-return-air-grille-aluminum-rust-proof-hvac-vent-duct-cover-white-outer-dimensions-775w-x-1975h","title":"6\" x 18\" or 18\" x 6\" Cube Core Eggcrate Return Air Grille","description":"\u003cdiv style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\n\u003cdl class=\"accordion\"\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Details\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSize\u003c\/b\u003e – 6\" x 18\" or 18\" x 6\" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 7.75\" X 19.75\".\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh Quality\u003c\/b\u003e – High-quality, rust-free aluminum construction with smooth finished edges and counter-sunk screw holes (screws included); no sharp edges..\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInstallation Location\u003c\/b\u003e – sidewall and ceiling.\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDesign\u003c\/b\u003e – Cubic core eggcrate design Offers highest airflow efficiency at almost 95%, reducing electric bills and extending HVAC machine lifespan; provides a modern look and quiet operation due to its half-inch by half-inch cube design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePowder-Coat Finish\u003c\/b\u003e – Smooth, shiny, scratch-resistant, beautiful. Looks like it was just waxed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eQuality Packaging\u003c\/b\u003e – Carefully shrink wrapped with cardboard backing to prevent damage in shipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Description\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eEnhance your ventilation system with our high-quality grilles and registers. Designed for optimal air flow and lasting durability, our carefully crafted products offer superior performance. With precise measurements and easy installation, they seamlessly integrate into your space, ensuring a perfect fit. Experience the difference in quality with our sleek design and hassle-free functionality. Elevate your air system today and enjoy improved aesthetics and efficient airflow for a comfortable living environment.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eHow To Measure A Grille\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003e\u003cstrong\u003eOverall Size:\u003c\/strong\u003e\u003cbr\u003e Measure the size of the air duct\/drywall opening. Do not measure the overall size of the register itself, only measure the \"hole\" in the wall\/duct. Every grille has a front end frame that will overlap at the wall joint. The total outer size of this grille is the listed size plus 1.75\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWidth vs Height:\u003c\/strong\u003e\u003cbr\u003e The first number in a grille size represents the width, and the second number represents the height. For example, if your hole is 20\" wide by 14\" tall, order a 20x14 grille. If your hole is 14\" wide by 20\" tall, order a 14x20 grille.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eWhy Hvac Premium\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eHVAC Premium has been providing superior quality service for many years. We pride ourselves on offering top-of-the-line products that meet the highest standards. With our extensive selection of Grilles, Registers, and Diffusers, we have assisted countless contractors, DIY projects, and home improvement remodeling specialists in completing their masterpieces. If you are looking to enhance your project with a top-of-the-line unit, look no further than HVAC Premium.\u003c\/p\u003e\n\u003cp\u003eWe carry sizes the big box stores don't, ensuring that you find the perfect fit for your ventilation needs. We are proud to have served over 5,000,000 satisfied customers!\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\u003c!--\n  .plus {\n    display: inline-block;\n    width: 20px;\n    height: 20px;\n    background-color: #000;\n    color: #fff;\n    font-size: 14px;\n    text-align: center;\n    line-height: 20px;\n    margin-right: 8px;\n    border-radius: 50%;\n  }\n\n  .accordion-title {\n    font-size: 18px;\n  }\n--\u003e\u003c\/style\u003e\n\u003cscript\u003e\n  function toggleAccordion(event) {\n    event.preventDefault();\n    const dt = event.target.closest('dt');\n    const dd = dt.nextElementSibling;\n\n    if (dd.style.display === 'none') {\n      dd.style.display = 'block';\n      dt.querySelector('.plus').textContent = '-';\n    } else {\n      dd.style.display = 'none';\n      dt.querySelector('.plus').textContent = '+';\n    }\n  }\n\u003c\/script\u003e","brand":"HVAC Premium","offers":[{"title":"Default Title","offer_id":15783718420546,"sku":"CRG618","price":44.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/8213\/6898\/products\/6-x-18-or-18-x-6-cube-core-eggcrate-return-air-grillereturn-274203.jpg?v=1743792564"},{"product_id":"6in-x-20in-cube-core-eggcrate-return-air-grille-aluminum-rust-proof-hvac-vent-duct-cover-white-outer-dimensions-775w-x-2175h","title":"6\" x 20\" or 20\" x 6\" Cube Core Eggcrate Return Air Grille","description":"\u003cdiv style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\n\u003cdl class=\"accordion\"\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Details\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSize\u003c\/b\u003e – 6\" x 20\" or 20\" x 6\" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 7.75\" X 21.75\".\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh Quality\u003c\/b\u003e – High-quality, rust-free aluminum construction with smooth finished edges and counter-sunk screw holes (screws included); no sharp edges..\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInstallation Location\u003c\/b\u003e – sidewall and ceiling.\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDesign\u003c\/b\u003e – Cubic core eggcrate design Offers highest airflow efficiency at almost 95%, reducing electric bills and extending HVAC machine lifespan; provides a modern look and quiet operation due to its half-inch by half-inch cube design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePowder-Coat Finish\u003c\/b\u003e – Smooth, shiny, scratch-resistant, beautiful. Looks like it was just waxed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eQuality Packaging\u003c\/b\u003e – Carefully shrink wrapped with cardboard backing to prevent damage in shipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Description\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eEnhance your ventilation system with our high-quality grilles and registers. Designed for optimal air flow and lasting durability, our carefully crafted products offer superior performance. With precise measurements and easy installation, they seamlessly integrate into your space, ensuring a perfect fit. Experience the difference in quality with our sleek design and hassle-free functionality. Elevate your air system today and enjoy improved aesthetics and efficient airflow for a comfortable living environment.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eHow To Measure A Grille\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003e\u003cstrong\u003eOverall Size:\u003c\/strong\u003e\u003cbr\u003e Measure the size of the air duct\/drywall opening. Do not measure the overall size of the register itself, only measure the \"hole\" in the wall\/duct. Every grille has a front end frame that will overlap at the wall joint. The total outer size of this grille is the listed size plus 1.75\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWidth vs Height:\u003c\/strong\u003e\u003cbr\u003e The first number in a grille size represents the width, and the second number represents the height. For example, if your hole is 20\" wide by 14\" tall, order a 20x14 grille. If your hole is 14\" wide by 20\" tall, order a 14x20 grille.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eWhy Hvac Premium\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eHVAC Premium has been providing superior quality service for many years. We pride ourselves on offering top-of-the-line products that meet the highest standards. With our extensive selection of Grilles, Registers, and Diffusers, we have assisted countless contractors, DIY projects, and home improvement remodeling specialists in completing their masterpieces. If you are looking to enhance your project with a top-of-the-line unit, look no further than HVAC Premium.\u003c\/p\u003e\n\u003cp\u003eWe carry sizes the big box stores don't, ensuring that you find the perfect fit for your ventilation needs. We are proud to have served over 5,000,000 satisfied customers!\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\u003c!--\n  .plus {\n    display: inline-block;\n    width: 20px;\n    height: 20px;\n    background-color: #000;\n    color: #fff;\n    font-size: 14px;\n    text-align: center;\n    line-height: 20px;\n    margin-right: 8px;\n    border-radius: 50%;\n  }\n\n  .accordion-title {\n    font-size: 18px;\n  }\n--\u003e\u003c\/style\u003e\n\u003cscript\u003e\n  function toggleAccordion(event) {\n    event.preventDefault();\n    const dt = event.target.closest('dt');\n    const dd = dt.nextElementSibling;\n\n    if (dd.style.display === 'none') {\n      dd.style.display = 'block';\n      dt.querySelector('.plus').textContent = '-';\n    } else {\n      dd.style.display = 'none';\n      dt.querySelector('.plus').textContent = '+';\n    }\n  }\n\u003c\/script\u003e","brand":"HVAC Premium","offers":[{"title":"Default Title","offer_id":15783718453314,"sku":"CRG620","price":45.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/8213\/6898\/products\/6-x-20-or-20-x-6-cube-core-eggcrate-return-air-grillereturn-315263.jpg?v=1743792564"},{"product_id":"6in-x-22in-cube-core-eggcrate-return-air-grille-aluminum-rust-proof-hvac-vent-duct-cover-white-outer-dimensions-775w-x-2375h","title":"6\" x 22\" or 22\" x 6\" Cube Core Eggcrate Return Air Grille","description":"\u003cdiv style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\n\u003cdl class=\"accordion\"\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Details\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSize\u003c\/b\u003e – 6\" x 22\" or 22\" x 6\" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 7.75\" X 23.75\".\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh Quality\u003c\/b\u003e – High-quality, rust-free aluminum construction with smooth finished edges and counter-sunk screw holes (screws included); no sharp edges..\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInstallation Location\u003c\/b\u003e – sidewall and ceiling.\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDesign\u003c\/b\u003e – Cubic core eggcrate design Offers highest airflow efficiency at almost 95%, reducing electric bills and extending HVAC machine lifespan; provides a modern look and quiet operation due to its half-inch by half-inch cube design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePowder-Coat Finish\u003c\/b\u003e – Smooth, shiny, scratch-resistant, beautiful. Looks like it was just waxed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eQuality Packaging\u003c\/b\u003e – Carefully shrink wrapped with cardboard backing to prevent damage in shipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Description\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eEnhance your ventilation system with our high-quality grilles and registers. Designed for optimal air flow and lasting durability, our carefully crafted products offer superior performance. With precise measurements and easy installation, they seamlessly integrate into your space, ensuring a perfect fit. Experience the difference in quality with our sleek design and hassle-free functionality. Elevate your air system today and enjoy improved aesthetics and efficient airflow for a comfortable living environment.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eHow To Measure A Grille\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003e\u003cstrong\u003eOverall Size:\u003c\/strong\u003e\u003cbr\u003e Measure the size of the air duct\/drywall opening. Do not measure the overall size of the register itself, only measure the \"hole\" in the wall\/duct. Every grille has a front end frame that will overlap at the wall joint. The total outer size of this grille is the listed size plus 1.75\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWidth vs Height:\u003c\/strong\u003e\u003cbr\u003e The first number in a grille size represents the width, and the second number represents the height. For example, if your hole is 20\" wide by 14\" tall, order a 20x14 grille. If your hole is 14\" wide by 20\" tall, order a 14x20 grille.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eWhy Hvac Premium\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eHVAC Premium has been providing superior quality service for many years. We pride ourselves on offering top-of-the-line products that meet the highest standards. With our extensive selection of Grilles, Registers, and Diffusers, we have assisted countless contractors, DIY projects, and home improvement remodeling specialists in completing their masterpieces. If you are looking to enhance your project with a top-of-the-line unit, look no further than HVAC Premium.\u003c\/p\u003e\n\u003cp\u003eWe carry sizes the big box stores don't, ensuring that you find the perfect fit for your ventilation needs. We are proud to have served over 5,000,000 satisfied customers!\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\u003c!--\n  .plus {\n    display: inline-block;\n    width: 20px;\n    height: 20px;\n    background-color: #000;\n    color: #fff;\n    font-size: 14px;\n    text-align: center;\n    line-height: 20px;\n    margin-right: 8px;\n    border-radius: 50%;\n  }\n\n  .accordion-title {\n    font-size: 18px;\n  }\n--\u003e\u003c\/style\u003e\n\u003cscript\u003e\n  function toggleAccordion(event) {\n    event.preventDefault();\n    const dt = event.target.closest('dt');\n    const dd = dt.nextElementSibling;\n\n    if (dd.style.display === 'none') {\n      dd.style.display = 'block';\n      dt.querySelector('.plus').textContent = '-';\n    } else {\n      dd.style.display = 'none';\n      dt.querySelector('.plus').textContent = '+';\n    }\n  }\n\u003c\/script\u003e","brand":"HVAC Premium","offers":[{"title":"Default Title","offer_id":15783718486082,"sku":"CRG622","price":40.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/8213\/6898\/products\/6-x-22-or-22-x-6-cube-core-eggcrate-return-air-grillereturn-994753.jpg?v=1743792564"},{"product_id":"6in-x-26in-cube-core-eggcrate-return-air-grille-aluminum-rust-proof-hvac-vent-duct-cover-white-outer-dimensions-775w-x-2775h","title":"6\" x 26\" or 26\" x 6\" Cube Core Eggcrate Return Air Grille","description":"\u003cdiv style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\n\u003cdl class=\"accordion\"\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Details\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSize\u003c\/b\u003e – 6\" x 26\" or 26\" x 6\" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 7.75\" X 27.75\".\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh Quality\u003c\/b\u003e – High-quality, rust-free aluminum construction with smooth finished edges and counter-sunk screw holes (screws included); no sharp edges..\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInstallation Location\u003c\/b\u003e – sidewall and ceiling.\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDesign\u003c\/b\u003e – Cubic core eggcrate design Offers highest airflow efficiency at almost 95%, reducing electric bills and extending HVAC machine lifespan; provides a modern look and quiet operation due to its half-inch by half-inch cube design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePowder-Coat Finish\u003c\/b\u003e – Smooth, shiny, scratch-resistant, beautiful. Looks like it was just waxed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eQuality Packaging\u003c\/b\u003e – Carefully shrink wrapped with cardboard backing to prevent damage in shipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Description\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eEnhance your ventilation system with our high-quality grilles and registers. Designed for optimal air flow and lasting durability, our carefully crafted products offer superior performance. With precise measurements and easy installation, they seamlessly integrate into your space, ensuring a perfect fit. Experience the difference in quality with our sleek design and hassle-free functionality. Elevate your air system today and enjoy improved aesthetics and efficient airflow for a comfortable living environment.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eHow To Measure A Grille\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003e\u003cstrong\u003eOverall Size:\u003c\/strong\u003e\u003cbr\u003e Measure the size of the air duct\/drywall opening. Do not measure the overall size of the register itself, only measure the \"hole\" in the wall\/duct. Every grille has a front end frame that will overlap at the wall joint. The total outer size of this grille is the listed size plus 1.75\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWidth vs Height:\u003c\/strong\u003e\u003cbr\u003e The first number in a grille size represents the width, and the second number represents the height. For example, if your hole is 20\" wide by 14\" tall, order a 20x14 grille. If your hole is 14\" wide by 20\" tall, order a 14x20 grille.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eWhy Hvac Premium\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eHVAC Premium has been providing superior quality service for many years. We pride ourselves on offering top-of-the-line products that meet the highest standards. With our extensive selection of Grilles, Registers, and Diffusers, we have assisted countless contractors, DIY projects, and home improvement remodeling specialists in completing their masterpieces. If you are looking to enhance your project with a top-of-the-line unit, look no further than HVAC Premium.\u003c\/p\u003e\n\u003cp\u003eWe carry sizes the big box stores don't, ensuring that you find the perfect fit for your ventilation needs. We are proud to have served over 5,000,000 satisfied customers!\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\u003c!--\n  .plus {\n    display: inline-block;\n    width: 20px;\n    height: 20px;\n    background-color: #000;\n    color: #fff;\n    font-size: 14px;\n    text-align: center;\n    line-height: 20px;\n    margin-right: 8px;\n    border-radius: 50%;\n  }\n\n  .accordion-title {\n    font-size: 18px;\n  }\n--\u003e\u003c\/style\u003e\n\u003cscript\u003e\n  function toggleAccordion(event) {\n    event.preventDefault();\n    const dt = event.target.closest('dt');\n    const dd = dt.nextElementSibling;\n\n    if (dd.style.display === 'none') {\n      dd.style.display = 'block';\n      dt.querySelector('.plus').textContent = '-';\n    } else {\n      dd.style.display = 'none';\n      dt.querySelector('.plus').textContent = '+';\n    }\n  }\n\u003c\/script\u003e","brand":"HVAC Premium","offers":[{"title":"Default Title","offer_id":15783718551618,"sku":"CRG626","price":56.34,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/8213\/6898\/products\/6-x-26-or-26-x-6-cube-core-eggcrate-return-air-grillereturn-720573.jpg?v=1743792563"},{"product_id":"6in-x-28in-cube-core-eggcrate-return-air-grille-aluminum-rust-proof-hvac-vent-duct-cover-white-outer-dimensions-775w-x-2975h","title":"6\" x 28\" or 28\" x 6\" Cube Core Eggcrate Return Air Grille","description":"\u003cdiv style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\n\u003cdl class=\"accordion\"\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Details\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSize\u003c\/b\u003e – 6\" x 28\" or 28\" x 6\" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 7.75\" X 29.75\".\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh Quality\u003c\/b\u003e – High-quality, rust-free aluminum construction with smooth finished edges and counter-sunk screw holes (screws included); no sharp edges..\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInstallation Location\u003c\/b\u003e – sidewall and ceiling.\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDesign\u003c\/b\u003e – Cubic core eggcrate design Offers highest airflow efficiency at almost 95%, reducing electric bills and extending HVAC machine lifespan; provides a modern look and quiet operation due to its half-inch by half-inch cube design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePowder-Coat Finish\u003c\/b\u003e – Smooth, shiny, scratch-resistant, beautiful. Looks like it was just waxed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eQuality Packaging\u003c\/b\u003e – Carefully shrink wrapped with cardboard backing to prevent damage in shipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Description\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eEnhance your ventilation system with our high-quality grilles and registers. Designed for optimal air flow and lasting durability, our carefully crafted products offer superior performance. With precise measurements and easy installation, they seamlessly integrate into your space, ensuring a perfect fit. Experience the difference in quality with our sleek design and hassle-free functionality. Elevate your air system today and enjoy improved aesthetics and efficient airflow for a comfortable living environment.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eHow To Measure A Grille\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003e\u003cstrong\u003eOverall Size:\u003c\/strong\u003e\u003cbr\u003e Measure the size of the air duct\/drywall opening. Do not measure the overall size of the register itself, only measure the \"hole\" in the wall\/duct. Every grille has a front end frame that will overlap at the wall joint. The total outer size of this grille is the listed size plus 1.75\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWidth vs Height:\u003c\/strong\u003e\u003cbr\u003e The first number in a grille size represents the width, and the second number represents the height. For example, if your hole is 20\" wide by 14\" tall, order a 20x14 grille. If your hole is 14\" wide by 20\" tall, order a 14x20 grille.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eWhy Hvac Premium\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eHVAC Premium has been providing superior quality service for many years. We pride ourselves on offering top-of-the-line products that meet the highest standards. With our extensive selection of Grilles, Registers, and Diffusers, we have assisted countless contractors, DIY projects, and home improvement remodeling specialists in completing their masterpieces. If you are looking to enhance your project with a top-of-the-line unit, look no further than HVAC Premium.\u003c\/p\u003e\n\u003cp\u003eWe carry sizes the big box stores don't, ensuring that you find the perfect fit for your ventilation needs. We are proud to have served over 5,000,000 satisfied customers!\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\u003c!--\n  .plus {\n    display: inline-block;\n    width: 20px;\n    height: 20px;\n    background-color: #000;\n    color: #fff;\n    font-size: 14px;\n    text-align: center;\n    line-height: 20px;\n    margin-right: 8px;\n    border-radius: 50%;\n  }\n\n  .accordion-title {\n    font-size: 18px;\n  }\n--\u003e\u003c\/style\u003e\n\u003cscript\u003e\n  function toggleAccordion(event) {\n    event.preventDefault();\n    const dt = event.target.closest('dt');\n    const dd = dt.nextElementSibling;\n\n    if (dd.style.display === 'none') {\n      dd.style.display = 'block';\n      dt.querySelector('.plus').textContent = '-';\n    } else {\n      dd.style.display = 'none';\n      dt.querySelector('.plus').textContent = '+';\n    }\n  }\n\u003c\/script\u003e","brand":"HVAC Premium","offers":[{"title":"Default Title","offer_id":15783718584386,"sku":"CRG628","price":56.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/8213\/6898\/products\/6-x-28-or-28-x-6-cube-core-eggcrate-return-air-grillereturn-967078.jpg?v=1743792562"},{"product_id":"6in-x-32in-cube-core-eggcrate-return-air-grille-aluminum-rust-proof-hvac-vent-duct-cover-white-outer-dimensions-775w-x-3375h","title":"6\" x 32\" or 32\" x 6\" Cube Core Eggcrate Return Air Grille","description":"\u003cdiv style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\n\u003cdl class=\"accordion\"\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Details\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSize\u003c\/b\u003e – 6\" x 32\" or 32\" x 6\" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 8.5\" X 34.5\".\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh Quality\u003c\/b\u003e – High-quality, rust-free aluminum construction with smooth finished edges and counter-sunk screw holes (screws included); no sharp edges..\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInstallation Location\u003c\/b\u003e – sidewall and ceiling.\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDesign\u003c\/b\u003e – Cubic core eggcrate design Offers highest airflow efficiency at almost 95%, reducing electric bills and extending HVAC machine lifespan; provides a modern look and quiet operation due to its half-inch by half-inch cube design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePowder-Coat Finish\u003c\/b\u003e – Smooth, shiny, scratch-resistant, beautiful. Looks like it was just waxed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eQuality Packaging\u003c\/b\u003e – Carefully shrink wrapped with cardboard backing to prevent damage in shipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Description\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eEnhance your ventilation system with our high-quality grilles and registers. Designed for optimal air flow and lasting durability, our carefully crafted products offer superior performance. With precise measurements and easy installation, they seamlessly integrate into your space, ensuring a perfect fit. Experience the difference in quality with our sleek design and hassle-free functionality. Elevate your air system today and enjoy improved aesthetics and efficient airflow for a comfortable living environment.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eHow To Measure A Grille\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003e\u003cstrong\u003eOverall Size:\u003c\/strong\u003e\u003cbr\u003e Measure the size of the air duct\/drywall opening. Do not measure the overall size of the register itself, only measure the \"hole\" in the wall\/duct. Every grille has a front end frame that will overlap at the wall joint. The total outer size of this grille is the listed size plus 1.75\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWidth vs Height:\u003c\/strong\u003e\u003cbr\u003e The first number in a grille size represents the width, and the second number represents the height. For example, if your hole is 20\" wide by 14\" tall, order a 20x14 grille. If your hole is 14\" wide by 20\" tall, order a 14x20 grille.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eWhy Hvac Premium\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eHVAC Premium has been providing superior quality service for many years. We pride ourselves on offering top-of-the-line products that meet the highest standards. With our extensive selection of Grilles, Registers, and Diffusers, we have assisted countless contractors, DIY projects, and home improvement remodeling specialists in completing their masterpieces. If you are looking to enhance your project with a top-of-the-line unit, look no further than HVAC Premium.\u003c\/p\u003e\n\u003cp\u003eWe carry sizes the big box stores don't, ensuring that you find the perfect fit for your ventilation needs. We are proud to have served over 5,000,000 satisfied customers!\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\u003c!--\n  .plus {\n    display: inline-block;\n    width: 20px;\n    height: 20px;\n    background-color: #000;\n    color: #fff;\n    font-size: 14px;\n    text-align: center;\n    line-height: 20px;\n    margin-right: 8px;\n    border-radius: 50%;\n  }\n\n  .accordion-title {\n    font-size: 18px;\n  }\n--\u003e\u003c\/style\u003e\n\u003cscript\u003e\n  function toggleAccordion(event) {\n    event.preventDefault();\n    const dt = event.target.closest('dt');\n    const dd = dt.nextElementSibling;\n\n    if (dd.style.display === 'none') {\n      dd.style.display = 'block';\n      dt.querySelector('.plus').textContent = '-';\n    } else {\n      dd.style.display = 'none';\n      dt.querySelector('.plus').textContent = '+';\n    }\n  }\n\u003c\/script\u003e","brand":"HVAC Premium","offers":[{"title":"Default Title","offer_id":15783718682690,"sku":"CRG632","price":63.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/8213\/6898\/products\/6-x-32-or-32-x-6-cube-core-eggcrate-return-air-grillereturn-802718.jpg?v=1743792563"},{"product_id":"6in-x-34in-cube-core-eggcrate-return-air-grille-aluminum-rust-proof-hvac-vent-duct-cover-white-outer-dimensions-775w-x-3575h","title":"6\" x 34\" or 34\" x 6\" Cube Core Eggcrate Return Air Grille","description":"\u003cdiv style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\n\u003cdl class=\"accordion\"\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Details\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSize\u003c\/b\u003e – 6\" x 34\" or 34\" x 6\" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 7.75\" X 35.75\".\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh Quality\u003c\/b\u003e – High-quality, rust-free aluminum construction with smooth finished edges and counter-sunk screw holes (screws included); no sharp edges..\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInstallation Location\u003c\/b\u003e – sidewall and ceiling.\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDesign\u003c\/b\u003e – Cubic core eggcrate design Offers highest airflow efficiency at almost 95%, reducing electric bills and extending HVAC machine lifespan; provides a modern look and quiet operation due to its half-inch by half-inch cube design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePowder-Coat Finish\u003c\/b\u003e – Smooth, shiny, scratch-resistant, beautiful. Looks like it was just waxed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eQuality Packaging\u003c\/b\u003e – Carefully shrink wrapped with cardboard backing to prevent damage in shipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Description\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eEnhance your ventilation system with our high-quality grilles and registers. Designed for optimal air flow and lasting durability, our carefully crafted products offer superior performance. With precise measurements and easy installation, they seamlessly integrate into your space, ensuring a perfect fit. Experience the difference in quality with our sleek design and hassle-free functionality. Elevate your air system today and enjoy improved aesthetics and efficient airflow for a comfortable living environment.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eHow To Measure A Grille\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003e\u003cstrong\u003eOverall Size:\u003c\/strong\u003e\u003cbr\u003e Measure the size of the air duct\/drywall opening. Do not measure the overall size of the register itself, only measure the \"hole\" in the wall\/duct. Every grille has a front end frame that will overlap at the wall joint. The total outer size of this grille is the listed size plus 1.75\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWidth vs Height:\u003c\/strong\u003e\u003cbr\u003e The first number in a grille size represents the width, and the second number represents the height. For example, if your hole is 20\" wide by 14\" tall, order a 20x14 grille. If your hole is 14\" wide by 20\" tall, order a 14x20 grille.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eWhy Hvac Premium\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eHVAC Premium has been providing superior quality service for many years. We pride ourselves on offering top-of-the-line products that meet the highest standards. With our extensive selection of Grilles, Registers, and Diffusers, we have assisted countless contractors, DIY projects, and home improvement remodeling specialists in completing their masterpieces. If you are looking to enhance your project with a top-of-the-line unit, look no further than HVAC Premium.\u003c\/p\u003e\n\u003cp\u003eWe carry sizes the big box stores don't, ensuring that you find the perfect fit for your ventilation needs. We are proud to have served over 5,000,000 satisfied customers!\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\u003c!--\n  .plus {\n    display: inline-block;\n    width: 20px;\n    height: 20px;\n    background-color: #000;\n    color: #fff;\n    font-size: 14px;\n    text-align: center;\n    line-height: 20px;\n    margin-right: 8px;\n    border-radius: 50%;\n  }\n\n  .accordion-title {\n    font-size: 18px;\n  }\n--\u003e\u003c\/style\u003e\n\u003cscript\u003e\n  function toggleAccordion(event) {\n    event.preventDefault();\n    const dt = event.target.closest('dt');\n    const dd = dt.nextElementSibling;\n\n    if (dd.style.display === 'none') {\n      dd.style.display = 'block';\n      dt.querySelector('.plus').textContent = '-';\n    } else {\n      dd.style.display = 'none';\n      dt.querySelector('.plus').textContent = '+';\n    }\n  }\n\u003c\/script\u003e","brand":"HVAC Premium","offers":[{"title":"Default Title","offer_id":15783719370818,"sku":"CRG634","price":48.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/8213\/6898\/products\/6-x-34-or-34-x-6-cube-core-eggcrate-return-air-grillereturn-393666.jpg?v=1743792562"},{"product_id":"6in-x-36in-cube-core-eggcrate-return-air-grille-aluminum-rust-proof-hvac-vent-duct-cover-white-outer-dimensions-775w-x-3775h","title":"6\" x 36\" or 36\" x 6\" Cube Core Eggcrate Return Air Grille","description":"\u003cdiv style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\n\u003cdl class=\"accordion\"\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Details\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSize\u003c\/b\u003e – 6\" x 36\" or 36\" x 6\" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 7.75\" X 37.75\".\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh Quality\u003c\/b\u003e – High-quality, rust-free aluminum construction with smooth finished edges and counter-sunk screw holes (screws included); no sharp edges..\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInstallation Location\u003c\/b\u003e – sidewall and ceiling.\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDesign\u003c\/b\u003e – Cubic core eggcrate design Offers highest airflow efficiency at almost 95%, reducing electric bills and extending HVAC machine lifespan; provides a modern look and quiet operation due to its half-inch by half-inch cube design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePowder-Coat Finish\u003c\/b\u003e – Smooth, shiny, scratch-resistant, beautiful. Looks like it was just waxed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eQuality Packaging\u003c\/b\u003e – Carefully shrink wrapped with cardboard backing to prevent damage in shipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Description\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eEnhance your ventilation system with our high-quality grilles and registers. Designed for optimal air flow and lasting durability, our carefully crafted products offer superior performance. With precise measurements and easy installation, they seamlessly integrate into your space, ensuring a perfect fit. Experience the difference in quality with our sleek design and hassle-free functionality. Elevate your air system today and enjoy improved aesthetics and efficient airflow for a comfortable living environment.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eHow To Measure A Grille\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003e\u003cstrong\u003eOverall Size:\u003c\/strong\u003e\u003cbr\u003e Measure the size of the air duct\/drywall opening. Do not measure the overall size of the register itself, only measure the \"hole\" in the wall\/duct. Every grille has a front end frame that will overlap at the wall joint. The total outer size of this grille is the listed size plus 1.75\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWidth vs Height:\u003c\/strong\u003e\u003cbr\u003e The first number in a grille size represents the width, and the second number represents the height. For example, if your hole is 20\" wide by 14\" tall, order a 20x14 grille. If your hole is 14\" wide by 20\" tall, order a 14x20 grille.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eWhy Hvac Premium\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eHVAC Premium has been providing superior quality service for many years. We pride ourselves on offering top-of-the-line products that meet the highest standards. With our extensive selection of Grilles, Registers, and Diffusers, we have assisted countless contractors, DIY projects, and home improvement remodeling specialists in completing their masterpieces. If you are looking to enhance your project with a top-of-the-line unit, look no further than HVAC Premium.\u003c\/p\u003e\n\u003cp\u003eWe carry sizes the big box stores don't, ensuring that you find the perfect fit for your ventilation needs. We are proud to have served over 5,000,000 satisfied customers!\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\u003c!--\n  .plus {\n    display: inline-block;\n    width: 20px;\n    height: 20px;\n    background-color: #000;\n    color: #fff;\n    font-size: 14px;\n    text-align: center;\n    line-height: 20px;\n    margin-right: 8px;\n    border-radius: 50%;\n  }\n\n  .accordion-title {\n    font-size: 18px;\n  }\n--\u003e\u003c\/style\u003e\n\u003cscript\u003e\n  function toggleAccordion(event) {\n    event.preventDefault();\n    const dt = event.target.closest('dt');\n    const dd = dt.nextElementSibling;\n\n    if (dd.style.display === 'none') {\n      dd.style.display = 'block';\n      dt.querySelector('.plus').textContent = '-';\n    } else {\n      dd.style.display = 'none';\n      dt.querySelector('.plus').textContent = '+';\n    }\n  }\n\u003c\/script\u003e","brand":"HVAC Premium","offers":[{"title":"Default Title","offer_id":15783720157250,"sku":"CRG636","price":59.51,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/8213\/6898\/products\/6-x-36-or-36-x-6-cube-core-eggcrate-return-air-grillereturn-752785.jpg?v=1743792563"},{"product_id":"8in-x-10in-cube-core-eggcrate-return-air-grille-aluminum-rust-proof-hvac-vent-duct-cover-white-outer-dimensions-975w-x-1175h","title":"8\" x 10\" or 10\" x 8\" Cube Core Eggcrate Return Air Grille","description":"\u003cdiv style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\n\u003cdl class=\"accordion\"\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Details\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSize\u003c\/b\u003e – 8\" x 10\" or 10\" x 8\" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 9.75\" X 11.75\".\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh Quality\u003c\/b\u003e – High-quality, rust-free aluminum construction with smooth finished edges and counter-sunk screw holes (screws included); no sharp edges..\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInstallation Location\u003c\/b\u003e – sidewall and ceiling.\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDesign\u003c\/b\u003e – Cubic core eggcrate design Offers highest airflow efficiency at almost 95%, reducing electric bills and extending HVAC machine lifespan; provides a modern look and quiet operation due to its half-inch by half-inch cube design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePowder-Coat Finish\u003c\/b\u003e – Smooth, shiny, scratch-resistant, beautiful. Looks like it was just waxed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eQuality Packaging\u003c\/b\u003e – Carefully shrink wrapped with cardboard backing to prevent damage in shipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Description\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eEnhance your ventilation system with our high-quality grilles and registers. Designed for optimal air flow and lasting durability, our carefully crafted products offer superior performance. With precise measurements and easy installation, they seamlessly integrate into your space, ensuring a perfect fit. Experience the difference in quality with our sleek design and hassle-free functionality. Elevate your air system today and enjoy improved aesthetics and efficient airflow for a comfortable living environment.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eHow To Measure A Grille\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003e\u003cstrong\u003eOverall Size:\u003c\/strong\u003e\u003cbr\u003e Measure the size of the air duct\/drywall opening. Do not measure the overall size of the register itself, only measure the \"hole\" in the wall\/duct. Every grille has a front end frame that will overlap at the wall joint. The total outer size of this grille is the listed size plus 1.75\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWidth vs Height:\u003c\/strong\u003e\u003cbr\u003e The first number in a grille size represents the width, and the second number represents the height. For example, if your hole is 20\" wide by 14\" tall, order a 20x14 grille. If your hole is 14\" wide by 20\" tall, order a 14x20 grille.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eWhy Hvac Premium\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eHVAC Premium has been providing superior quality service for many years. We pride ourselves on offering top-of-the-line products that meet the highest standards. With our extensive selection of Grilles, Registers, and Diffusers, we have assisted countless contractors, DIY projects, and home improvement remodeling specialists in completing their masterpieces. If you are looking to enhance your project with a top-of-the-line unit, look no further than HVAC Premium.\u003c\/p\u003e\n\u003cp\u003eWe carry sizes the big box stores don't, ensuring that you find the perfect fit for your ventilation needs. We are proud to have served over 5,000,000 satisfied customers!\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\u003c!--\n  .plus {\n    display: inline-block;\n    width: 20px;\n    height: 20px;\n    background-color: #000;\n    color: #fff;\n    font-size: 14px;\n    text-align: center;\n    line-height: 20px;\n    margin-right: 8px;\n    border-radius: 50%;\n  }\n\n  .accordion-title {\n    font-size: 18px;\n  }\n--\u003e\u003c\/style\u003e\n\u003cscript\u003e\n  function toggleAccordion(event) {\n    event.preventDefault();\n    const dt = event.target.closest('dt');\n    const dd = dt.nextElementSibling;\n\n    if (dd.style.display === 'none') {\n      dd.style.display = 'block';\n      dt.querySelector('.plus').textContent = '-';\n    } else {\n      dd.style.display = 'none';\n      dt.querySelector('.plus').textContent = '+';\n    }\n  }\n\u003c\/script\u003e","brand":"HVAC Premium","offers":[{"title":"Default Title","offer_id":15783720845378,"sku":"CRG810","price":30.52,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/8213\/6898\/products\/8-x-10-or-10-x-8-cube-core-eggcrate-return-air-grillereturn-705720.jpg?v=1743792561"},{"product_id":"8in-x-18in-cube-core-eggcrate-return-air-grille-aluminum-rust-proof-hvac-vent-duct-cover-white-outer-dimensions-975w-x-1975h","title":"8\" x 18\" or 18\" x 8\" Cube Core Eggcrate Return Air Grille","description":"\u003cdiv style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\n\u003cdl class=\"accordion\"\u003e\n\u003cdt\u003e\u003ca href=\"#\" class=\"active\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Details\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSize\u003c\/b\u003e – 8\" x 18\" or 18\" x 8\" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 9.75\" X 19.75\".\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh Quality\u003c\/b\u003e – High-quality, rust-free aluminum construction with smooth finished edges and counter-sunk screw holes (screws included); no sharp edges..\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInstallation Location\u003c\/b\u003e – sidewall and ceiling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDesign\u003c\/b\u003e – Cubic core eggcrate design Offers highest airflow efficiency at almost 95%, reducing electric bills and extending HVAC machine lifespan; provides a modern look and quiet operation due to its half-inch by half-inch cube design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePowder-Coat Finish\u003c\/b\u003e – Smooth, shiny, scratch-resistant, beautiful. Looks like it was just waxed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eQuality Packaging\u003c\/b\u003e – Carefully shrink wrapped with cardboard backing to prevent damage in shipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca href=\"#\" class=\"active\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Description\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eEnhance your ventilation system with our high-quality grilles and registers. Designed for optimal air flow and lasting durability, our carefully crafted products offer superior performance. With precise measurements and easy installation, they seamlessly integrate into your space, ensuring a perfect fit. Experience the difference in quality with our sleek design and hassle-free functionality. Elevate your air system today and enjoy improved aesthetics and efficient airflow for a comfortable living environment.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca href=\"#\" class=\"active\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eHow To Measure A Grille\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003e\u003cstrong\u003eOverall Size:\u003c\/strong\u003e\u003cbr\u003e Measure the size of the air duct\/drywall opening. Do not measure the overall size of the register itself, only measure the \"hole\" in the wall\/duct. Every grille has a front end frame that will overlap at the wall joint. The total outer size of this grille is the listed size plus 1.75\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWidth vs Height:\u003c\/strong\u003e\u003cbr\u003e The first number in a grille size represents the width, and the second number represents the height. For example, if your hole is 20\" wide by 14\" tall, order a 20x14 grille. If your hole is 14\" wide by 20\" tall, order a 14x20 grille.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca href=\"#\" class=\"active\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eWhy Hvac Premium\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eHVAC Premium has been providing superior quality service for many years. We pride ourselves on offering top-of-the-line products that meet the highest standards. With our extensive selection of Grilles, Registers, and Diffusers, we have assisted countless contractors, DIY projects, and home improvement remodeling specialists in completing their masterpieces. If you are looking to enhance your project with a top-of-the-line unit, look no further than HVAC Premium.\u003c\/p\u003e\n\u003cp\u003eWe carry sizes the big box stores don't, ensuring that you find the perfect fit for your ventilation needs. We are proud to have served over 5,000,000 satisfied customers!\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\u003c!--\n.plus {\n    display: inline-block;\n    width: 20px;\n    height: 20px;\n    background-color: #000;\n    color: #fff;\n    font-size: 14px;\n    text-align: center;\n    line-height: 20px;\n    margin-right: 8px;\n    border-radius: 50%;\n  }\n\n  .accordion-title {\n    font-size: 18px;\n  }\n--\u003e\u003c\/style\u003e\n\u003cscript\u003e\n  function toggleAccordion(event) {\n    event.preventDefault();\n    const dt = event.target.closest('dt');\n    const dd = dt.nextElementSibling;\n\n    if (dd.style.display === 'none') {\n      dd.style.display = 'block';\n      dt.querySelector('.plus').textContent = '-';\n    } else {\n      dd.style.display = 'none';\n      dt.querySelector('.plus').textContent = '+';\n    }\n  }\n\u003c\/script\u003e","brand":"HVAC Premium","offers":[{"title":"Default Title","offer_id":15783721074754,"sku":"CRG818","price":52.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/8213\/6898\/products\/8-x-18-or-18-x-8-cube-core-eggcrate-return-air-grillereturn-270854.jpg?v=1743792560"},{"product_id":"8in-x-22in-cube-core-eggcrate-return-air-grille-aluminum-rust-proof-hvac-vent-duct-cover-white-outer-dimensions-975w-x-2375h","title":"8\" x 22\" or 22\" x 8\" Cube Core Eggcrate Return Air Grille","description":"\u003cdiv style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\n\u003cdl class=\"accordion\"\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Details\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSize\u003c\/b\u003e – 8\" x 22\" or 22\" x 8\" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 9.75\" X 23.75\".\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh Quality\u003c\/b\u003e – High-quality, rust-free aluminum construction with smooth finished edges and counter-sunk screw holes (screws included); no sharp edges..\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInstallation Location\u003c\/b\u003e – sidewall and ceiling.\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDesign\u003c\/b\u003e – Cubic core eggcrate design Offers highest airflow efficiency at almost 95%, reducing electric bills and extending HVAC machine lifespan; provides a modern look and quiet operation due to its half-inch by half-inch cube design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePowder-Coat Finish\u003c\/b\u003e – Smooth, shiny, scratch-resistant, beautiful. Looks like it was just waxed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eQuality Packaging\u003c\/b\u003e – Carefully shrink wrapped with cardboard backing to prevent damage in shipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Description\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eEnhance your ventilation system with our high-quality grilles and registers. Designed for optimal air flow and lasting durability, our carefully crafted products offer superior performance. With precise measurements and easy installation, they seamlessly integrate into your space, ensuring a perfect fit. Experience the difference in quality with our sleek design and hassle-free functionality. Elevate your air system today and enjoy improved aesthetics and efficient airflow for a comfortable living environment.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eHow To Measure A Grille\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003e\u003cstrong\u003eOverall Size:\u003c\/strong\u003e\u003cbr\u003e Measure the size of the air duct\/drywall opening. Do not measure the overall size of the register itself, only measure the \"hole\" in the wall\/duct. Every grille has a front end frame that will overlap at the wall joint. The total outer size of this grille is the listed size plus 1.75\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWidth vs Height:\u003c\/strong\u003e\u003cbr\u003e The first number in a grille size represents the width, and the second number represents the height. For example, if your hole is 20\" wide by 14\" tall, order a 20x14 grille. If your hole is 14\" wide by 20\" tall, order a 14x20 grille.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eWhy Hvac Premium\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eHVAC Premium has been providing superior quality service for many years. We pride ourselves on offering top-of-the-line products that meet the highest standards. With our extensive selection of Grilles, Registers, and Diffusers, we have assisted countless contractors, DIY projects, and home improvement remodeling specialists in completing their masterpieces. If you are looking to enhance your project with a top-of-the-line unit, look no further than HVAC Premium.\u003c\/p\u003e\n\u003cp\u003eWe carry sizes the big box stores don't, ensuring that you find the perfect fit for your ventilation needs. We are proud to have served over 5,000,000 satisfied customers!\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\u003c!--\n  .plus {\n    display: inline-block;\n    width: 20px;\n    height: 20px;\n    background-color: #000;\n    color: #fff;\n    font-size: 14px;\n    text-align: center;\n    line-height: 20px;\n    margin-right: 8px;\n    border-radius: 50%;\n  }\n\n  .accordion-title {\n    font-size: 18px;\n  }\n--\u003e\u003c\/style\u003e\n\u003cscript\u003e\n  function toggleAccordion(event) {\n    event.preventDefault();\n    const dt = event.target.closest('dt');\n    const dd = dt.nextElementSibling;\n\n    if (dd.style.display === 'none') {\n      dd.style.display = 'block';\n      dt.querySelector('.plus').textContent = '-';\n    } else {\n      dd.style.display = 'none';\n      dt.querySelector('.plus').textContent = '+';\n    }\n  }\n\u003c\/script\u003e","brand":"HVAC Premium","offers":[{"title":"Default Title","offer_id":15783721140290,"sku":"CRG822","price":47.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/8213\/6898\/products\/8-x-22-or-22-x-8-cube-core-eggcrate-return-air-grillereturn-837147.jpg?v=1743792560"},{"product_id":"8in-x-26in-cube-core-eggcrate-return-air-grille-aluminum-rust-proof-hvac-vent-duct-cover-white-outer-dimensions-975w-x-2775h","title":"8\" x 26\" or 26\" x 8\" Cube Core Eggcrate Return Air Grille","description":"\u003cdiv style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\n\u003cdl class=\"accordion\"\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Details\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSize\u003c\/b\u003e – 8\" x 26\" or 26\" x 8\" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 9.75\" X 27.75\".\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh Quality\u003c\/b\u003e – High-quality, rust-free aluminum construction with smooth finished edges and counter-sunk screw holes (screws included); no sharp edges..\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInstallation Location\u003c\/b\u003e – sidewall and ceiling.\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDesign\u003c\/b\u003e – Cubic core eggcrate design Offers highest airflow efficiency at almost 95%, reducing electric bills and extending HVAC machine lifespan; provides a modern look and quiet operation due to its half-inch by half-inch cube design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePowder-Coat Finish\u003c\/b\u003e – Smooth, shiny, scratch-resistant, beautiful. Looks like it was just waxed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eQuality Packaging\u003c\/b\u003e – Carefully shrink wrapped with cardboard backing to prevent damage in shipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Description\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eEnhance your ventilation system with our high-quality grilles and registers. Designed for optimal air flow and lasting durability, our carefully crafted products offer superior performance. With precise measurements and easy installation, they seamlessly integrate into your space, ensuring a perfect fit. Experience the difference in quality with our sleek design and hassle-free functionality. Elevate your air system today and enjoy improved aesthetics and efficient airflow for a comfortable living environment.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eHow To Measure A Grille\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003e\u003cstrong\u003eOverall Size:\u003c\/strong\u003e\u003cbr\u003e Measure the size of the air duct\/drywall opening. Do not measure the overall size of the register itself, only measure the \"hole\" in the wall\/duct. Every grille has a front end frame that will overlap at the wall joint. The total outer size of this grille is the listed size plus 1.75\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWidth vs Height:\u003c\/strong\u003e\u003cbr\u003e The first number in a grille size represents the width, and the second number represents the height. For example, if your hole is 20\" wide by 14\" tall, order a 20x14 grille. If your hole is 14\" wide by 20\" tall, order a 14x20 grille.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eWhy Hvac Premium\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eHVAC Premium has been providing superior quality service for many years. We pride ourselves on offering top-of-the-line products that meet the highest standards. With our extensive selection of Grilles, Registers, and Diffusers, we have assisted countless contractors, DIY projects, and home improvement remodeling specialists in completing their masterpieces. If you are looking to enhance your project with a top-of-the-line unit, look no further than HVAC Premium.\u003c\/p\u003e\n\u003cp\u003eWe carry sizes the big box stores don't, ensuring that you find the perfect fit for your ventilation needs. We are proud to have served over 5,000,000 satisfied customers!\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\u003c!--\n  .plus {\n    display: inline-block;\n    width: 20px;\n    height: 20px;\n    background-color: #000;\n    color: #fff;\n    font-size: 14px;\n    text-align: center;\n    line-height: 20px;\n    margin-right: 8px;\n    border-radius: 50%;\n  }\n\n  .accordion-title {\n    font-size: 18px;\n  }\n--\u003e\u003c\/style\u003e\n\u003cscript\u003e\n  function toggleAccordion(event) {\n    event.preventDefault();\n    const dt = event.target.closest('dt');\n    const dd = dt.nextElementSibling;\n\n    if (dd.style.display === 'none') {\n      dd.style.display = 'block';\n      dt.querySelector('.plus').textContent = '-';\n    } else {\n      dd.style.display = 'none';\n      dt.querySelector('.plus').textContent = '+';\n    }\n  }\n\u003c\/script\u003e","brand":"HVAC Premium","offers":[{"title":"Default Title","offer_id":15783721173058,"sku":"CRG826","price":51.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/8213\/6898\/products\/8-x-26-or-26-x-8-cube-core-eggcrate-return-air-grillereturn-928903.jpg?v=1743792561"},{"product_id":"8in-x-28in-cube-core-eggcrate-return-air-grille-aluminum-rust-proof-hvac-vent-duct-cover-white-outer-dimensions-975w-x-2975h","title":"8\" x 28\" or 28\" x 8\" Cube Core Eggcrate Return Air Grille","description":"\u003cdiv style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\n\u003cdl class=\"accordion\"\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Details\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSize\u003c\/b\u003e – 8\" x 28\" or 28\" x 8\" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 9.75\" X 29.75\".\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh Quality\u003c\/b\u003e – High-quality, rust-free aluminum construction with smooth finished edges and counter-sunk screw holes (screws included); no sharp edges..\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInstallation Location\u003c\/b\u003e – sidewall and ceiling.\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDesign\u003c\/b\u003e – Cubic core eggcrate design Offers highest airflow efficiency at almost 95%, reducing electric bills and extending HVAC machine lifespan; provides a modern look and quiet operation due to its half-inch by half-inch cube design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePowder-Coat Finish\u003c\/b\u003e – Smooth, shiny, scratch-resistant, beautiful. Looks like it was just waxed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eQuality Packaging\u003c\/b\u003e – Carefully shrink wrapped with cardboard backing to prevent damage in shipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Description\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eEnhance your ventilation system with our high-quality grilles and registers. Designed for optimal air flow and lasting durability, our carefully crafted products offer superior performance. With precise measurements and easy installation, they seamlessly integrate into your space, ensuring a perfect fit. Experience the difference in quality with our sleek design and hassle-free functionality. Elevate your air system today and enjoy improved aesthetics and efficient airflow for a comfortable living environment.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eHow To Measure A Grille\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003e\u003cstrong\u003eOverall Size:\u003c\/strong\u003e\u003cbr\u003e Measure the size of the air duct\/drywall opening. Do not measure the overall size of the register itself, only measure the \"hole\" in the wall\/duct. Every grille has a front end frame that will overlap at the wall joint. The total outer size of this grille is the listed size plus 1.75\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWidth vs Height:\u003c\/strong\u003e\u003cbr\u003e The first number in a grille size represents the width, and the second number represents the height. For example, if your hole is 20\" wide by 14\" tall, order a 20x14 grille. If your hole is 14\" wide by 20\" tall, order a 14x20 grille.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eWhy Hvac Premium\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eHVAC Premium has been providing superior quality service for many years. We pride ourselves on offering top-of-the-line products that meet the highest standards. With our extensive selection of Grilles, Registers, and Diffusers, we have assisted countless contractors, DIY projects, and home improvement remodeling specialists in completing their masterpieces. If you are looking to enhance your project with a top-of-the-line unit, look no further than HVAC Premium.\u003c\/p\u003e\n\u003cp\u003eWe carry sizes the big box stores don't, ensuring that you find the perfect fit for your ventilation needs. We are proud to have served over 5,000,000 satisfied customers!\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\u003c!--\n  .plus {\n    display: inline-block;\n    width: 20px;\n    height: 20px;\n    background-color: #000;\n    color: #fff;\n    font-size: 14px;\n    text-align: center;\n    line-height: 20px;\n    margin-right: 8px;\n    border-radius: 50%;\n  }\n\n  .accordion-title {\n    font-size: 18px;\n  }\n--\u003e\u003c\/style\u003e\n\u003cscript\u003e\n  function toggleAccordion(event) {\n    event.preventDefault();\n    const dt = event.target.closest('dt');\n    const dd = dt.nextElementSibling;\n\n    if (dd.style.display === 'none') {\n      dd.style.display = 'block';\n      dt.querySelector('.plus').textContent = '-';\n    } else {\n      dd.style.display = 'none';\n      dt.querySelector('.plus').textContent = '+';\n    }\n  }\n\u003c\/script\u003e","brand":"HVAC Premium","offers":[{"title":"Default Title","offer_id":15783721205826,"sku":"CRG828","price":56.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/8213\/6898\/products\/8-x-28-or-28-x-8-cube-core-eggcrate-return-air-grillereturn-695889.jpg?v=1743792560"},{"product_id":"8in-x-32in-cube-core-eggcrate-return-air-grille-aluminum-rust-proof-hvac-vent-duct-cover-white-outer-dimensions-975w-x-3375h","title":"8\" x 32\" or 32\" x 8\" Cube Core Eggcrate Return Air Grille","description":"\u003cdiv style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\n\u003cdl class=\"accordion\"\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Details\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSize\u003c\/b\u003e – 8\" x 32\" or 32\" x 8\" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 9.75\" X 33.75\".\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh Quality\u003c\/b\u003e – High-quality, rust-free aluminum construction with smooth finished edges and counter-sunk screw holes (screws included); no sharp edges..\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInstallation Location\u003c\/b\u003e – sidewall and ceiling.\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDesign\u003c\/b\u003e – Cubic core eggcrate design Offers highest airflow efficiency at almost 95%, reducing electric bills and extending HVAC machine lifespan; provides a modern look and quiet operation due to its half-inch by half-inch cube design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePowder-Coat Finish\u003c\/b\u003e – Smooth, shiny, scratch-resistant, beautiful. Looks like it was just waxed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eQuality Packaging\u003c\/b\u003e – Carefully shrink wrapped with cardboard backing to prevent damage in shipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Description\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eEnhance your ventilation system with our high-quality grilles and registers. Designed for optimal air flow and lasting durability, our carefully crafted products offer superior performance. With precise measurements and easy installation, they seamlessly integrate into your space, ensuring a perfect fit. Experience the difference in quality with our sleek design and hassle-free functionality. Elevate your air system today and enjoy improved aesthetics and efficient airflow for a comfortable living environment.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eHow To Measure A Grille\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003e\u003cstrong\u003eOverall Size:\u003c\/strong\u003e\u003cbr\u003e Measure the size of the air duct\/drywall opening. Do not measure the overall size of the register itself, only measure the \"hole\" in the wall\/duct. Every grille has a front end frame that will overlap at the wall joint. The total outer size of this grille is the listed size plus 1.75\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWidth vs Height:\u003c\/strong\u003e\u003cbr\u003e The first number in a grille size represents the width, and the second number represents the height. For example, if your hole is 20\" wide by 14\" tall, order a 20x14 grille. If your hole is 14\" wide by 20\" tall, order a 14x20 grille.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eWhy Hvac Premium\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eHVAC Premium has been providing superior quality service for many years. We pride ourselves on offering top-of-the-line products that meet the highest standards. With our extensive selection of Grilles, Registers, and Diffusers, we have assisted countless contractors, DIY projects, and home improvement remodeling specialists in completing their masterpieces. If you are looking to enhance your project with a top-of-the-line unit, look no further than HVAC Premium.\u003c\/p\u003e\n\u003cp\u003eWe carry sizes the big box stores don't, ensuring that you find the perfect fit for your ventilation needs. We are proud to have served over 5,000,000 satisfied customers!\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\u003c!--\n  .plus {\n    display: inline-block;\n    width: 20px;\n    height: 20px;\n    background-color: #000;\n    color: #fff;\n    font-size: 14px;\n    text-align: center;\n    line-height: 20px;\n    margin-right: 8px;\n    border-radius: 50%;\n  }\n\n  .accordion-title {\n    font-size: 18px;\n  }\n--\u003e\u003c\/style\u003e\n\u003cscript\u003e\n  function toggleAccordion(event) {\n    event.preventDefault();\n    const dt = event.target.closest('dt');\n    const dd = dt.nextElementSibling;\n\n    if (dd.style.display === 'none') {\n      dd.style.display = 'block';\n      dt.querySelector('.plus').textContent = '-';\n    } else {\n      dd.style.display = 'none';\n      dt.querySelector('.plus').textContent = '+';\n    }\n  }\n\u003c\/script\u003e","brand":"HVAC Premium","offers":[{"title":"Default Title","offer_id":15783721238594,"sku":"CRG832","price":73.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/8213\/6898\/products\/8-x-32-or-32-x-8-cube-core-eggcrate-return-air-grillereturn-115146.jpg?v=1743792560"},{"product_id":"8in-x-34in-cube-core-eggcrate-return-air-grille-aluminum-rust-proof-hvac-vent-duct-cover-white-outer-dimensions-975w-x-3575h","title":"8\" x 34\" or 34\" x 8\" Cube Core Eggcrate Return Air Grille","description":"\u003cdiv style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\n\u003cdl class=\"accordion\"\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Details\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSize\u003c\/b\u003e – 8\" x 34\" or 34\" x 8\" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 9.75\" X 35.75\".\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh Quality\u003c\/b\u003e – High-quality, rust-free aluminum construction with smooth finished edges and counter-sunk screw holes (screws included); no sharp edges..\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInstallation Location\u003c\/b\u003e – sidewall and ceiling.\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDesign\u003c\/b\u003e – Cubic core eggcrate design Offers highest airflow efficiency at almost 95%, reducing electric bills and extending HVAC machine lifespan; provides a modern look and quiet operation due to its half-inch by half-inch cube design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePowder-Coat Finish\u003c\/b\u003e – Smooth, shiny, scratch-resistant, beautiful. Looks like it was just waxed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eQuality Packaging\u003c\/b\u003e – Carefully shrink wrapped with cardboard backing to prevent damage in shipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Description\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eEnhance your ventilation system with our high-quality grilles and registers. Designed for optimal air flow and lasting durability, our carefully crafted products offer superior performance. With precise measurements and easy installation, they seamlessly integrate into your space, ensuring a perfect fit. Experience the difference in quality with our sleek design and hassle-free functionality. Elevate your air system today and enjoy improved aesthetics and efficient airflow for a comfortable living environment.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eHow To Measure A Grille\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003e\u003cstrong\u003eOverall Size:\u003c\/strong\u003e\u003cbr\u003e Measure the size of the air duct\/drywall opening. Do not measure the overall size of the register itself, only measure the \"hole\" in the wall\/duct. Every grille has a front end frame that will overlap at the wall joint. The total outer size of this grille is the listed size plus 1.75\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWidth vs Height:\u003c\/strong\u003e\u003cbr\u003e The first number in a grille size represents the width, and the second number represents the height. For example, if your hole is 20\" wide by 14\" tall, order a 20x14 grille. If your hole is 14\" wide by 20\" tall, order a 14x20 grille.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eWhy Hvac Premium\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eHVAC Premium has been providing superior quality service for many years. We pride ourselves on offering top-of-the-line products that meet the highest standards. With our extensive selection of Grilles, Registers, and Diffusers, we have assisted countless contractors, DIY projects, and home improvement remodeling specialists in completing their masterpieces. If you are looking to enhance your project with a top-of-the-line unit, look no further than HVAC Premium.\u003c\/p\u003e\n\u003cp\u003eWe carry sizes the big box stores don't, ensuring that you find the perfect fit for your ventilation needs. We are proud to have served over 5,000,000 satisfied customers!\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\u003c!--\n  .plus {\n    display: inline-block;\n    width: 20px;\n    height: 20px;\n    background-color: #000;\n    color: #fff;\n    font-size: 14px;\n    text-align: center;\n    line-height: 20px;\n    margin-right: 8px;\n    border-radius: 50%;\n  }\n\n  .accordion-title {\n    font-size: 18px;\n  }\n--\u003e\u003c\/style\u003e\n\u003cscript\u003e\n  function toggleAccordion(event) {\n    event.preventDefault();\n    const dt = event.target.closest('dt');\n    const dd = dt.nextElementSibling;\n\n    if (dd.style.display === 'none') {\n      dd.style.display = 'block';\n      dt.querySelector('.plus').textContent = '-';\n    } else {\n      dd.style.display = 'none';\n      dt.querySelector('.plus').textContent = '+';\n    }\n  }\n\u003c\/script\u003e","brand":"HVAC Premium","offers":[{"title":"Default Title","offer_id":15783721304130,"sku":"CRG834","price":76.51,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/8213\/6898\/products\/8-x-34-or-34-x-8-cube-core-eggcrate-return-air-grillereturn-147281.jpg?v=1743792560"},{"product_id":"8in-x-36in-cube-core-eggcrate-return-air-grille-aluminum-rust-proof-hvac-vent-duct-cover-white-outer-dimensions-975w-x-3775h","title":"8\" x 36\" or 36\" x 8\" Cube Core Eggcrate Return Air Grille","description":"\u003cdiv style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\n\u003cdl class=\"accordion\"\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Details\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSize\u003c\/b\u003e – 8\" x 36\" or 36\" x 8\" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 9.75\" X 37.75\".\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh Quality\u003c\/b\u003e – High-quality, rust-free aluminum construction with smooth finished edges and counter-sunk screw holes (screws included); no sharp edges..\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInstallation Location\u003c\/b\u003e – sidewall and ceiling.\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDesign\u003c\/b\u003e – Cubic core eggcrate design Offers highest airflow efficiency at almost 95%, reducing electric bills and extending HVAC machine lifespan; provides a modern look and quiet operation due to its half-inch by half-inch cube design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePowder-Coat Finish\u003c\/b\u003e – Smooth, shiny, scratch-resistant, beautiful. Looks like it was just waxed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eQuality Packaging\u003c\/b\u003e – Carefully shrink wrapped with cardboard backing to prevent damage in shipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Description\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eEnhance your ventilation system with our high-quality grilles and registers. Designed for optimal air flow and lasting durability, our carefully crafted products offer superior performance. With precise measurements and easy installation, they seamlessly integrate into your space, ensuring a perfect fit. Experience the difference in quality with our sleek design and hassle-free functionality. Elevate your air system today and enjoy improved aesthetics and efficient airflow for a comfortable living environment.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eHow To Measure A Grille\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003e\u003cstrong\u003eOverall Size:\u003c\/strong\u003e\u003cbr\u003e Measure the size of the air duct\/drywall opening. Do not measure the overall size of the register itself, only measure the \"hole\" in the wall\/duct. Every grille has a front end frame that will overlap at the wall joint. The total outer size of this grille is the listed size plus 1.75\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWidth vs Height:\u003c\/strong\u003e\u003cbr\u003e The first number in a grille size represents the width, and the second number represents the height. For example, if your hole is 20\" wide by 14\" tall, order a 20x14 grille. If your hole is 14\" wide by 20\" tall, order a 14x20 grille.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eWhy Hvac Premium\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eHVAC Premium has been providing superior quality service for many years. We pride ourselves on offering top-of-the-line products that meet the highest standards. With our extensive selection of Grilles, Registers, and Diffusers, we have assisted countless contractors, DIY projects, and home improvement remodeling specialists in completing their masterpieces. If you are looking to enhance your project with a top-of-the-line unit, look no further than HVAC Premium.\u003c\/p\u003e\n\u003cp\u003eWe carry sizes the big box stores don't, ensuring that you find the perfect fit for your ventilation needs. We are proud to have served over 5,000,000 satisfied customers!\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\u003c!--\n  .plus {\n    display: inline-block;\n    width: 20px;\n    height: 20px;\n    background-color: #000;\n    color: #fff;\n    font-size: 14px;\n    text-align: center;\n    line-height: 20px;\n    margin-right: 8px;\n    border-radius: 50%;\n  }\n\n  .accordion-title {\n    font-size: 18px;\n  }\n--\u003e\u003c\/style\u003e\n\u003cscript\u003e\n  function toggleAccordion(event) {\n    event.preventDefault();\n    const dt = event.target.closest('dt');\n    const dd = dt.nextElementSibling;\n\n    if (dd.style.display === 'none') {\n      dd.style.display = 'block';\n      dt.querySelector('.plus').textContent = '-';\n    } else {\n      dd.style.display = 'none';\n      dt.querySelector('.plus').textContent = '+';\n    }\n  }\n\u003c\/script\u003e","brand":"HVAC Premium","offers":[{"title":"Default Title","offer_id":15783721369666,"sku":"CRG836","price":63.27,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/8213\/6898\/products\/8-x-36-or-36-x-8-cube-core-eggcrate-return-air-grillereturn-887144.jpg?v=1743792560"},{"product_id":"10in-x-12in-cube-core-eggcrate-return-air-grille-aluminum-rust-proof-hvac-vent-duct-cover-white-outer-dimensions-1175w-x-1375h","title":"10\" x 12\" or 12\" x 10\" Cube Core Eggcrate Return Air Grille","description":"\u003cdiv style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\n\u003cdl class=\"accordion\"\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Details\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSize\u003c\/b\u003e – 10\" x 12\" or 12\" x 10\" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 11.75\" X 13.75\".\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh Quality\u003c\/b\u003e – High-quality, rust-free aluminum construction with smooth finished edges and counter-sunk screw holes (screws included); no sharp edges..\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInstallation Location\u003c\/b\u003e – sidewall and ceiling.\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDesign\u003c\/b\u003e – Cubic core eggcrate design Offers highest airflow efficiency at almost 95%, reducing electric bills and extending HVAC machine lifespan; provides a modern look and quiet operation due to its half-inch by half-inch cube design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePowder-Coat Finish\u003c\/b\u003e – Smooth, shiny, scratch-resistant, beautiful. Looks like it was just waxed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eQuality Packaging\u003c\/b\u003e – Carefully shrink wrapped with cardboard backing to prevent damage in shipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Description\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eEnhance your ventilation system with our high-quality grilles and registers. Designed for optimal air flow and lasting durability, our carefully crafted products offer superior performance. With precise measurements and easy installation, they seamlessly integrate into your space, ensuring a perfect fit. Experience the difference in quality with our sleek design and hassle-free functionality. Elevate your air system today and enjoy improved aesthetics and efficient airflow for a comfortable living environment.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eHow To Measure A Grille\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003e\u003cstrong\u003eOverall Size:\u003c\/strong\u003e\u003cbr\u003e Measure the size of the air duct\/drywall opening. Do not measure the overall size of the register itself, only measure the \"hole\" in the wall\/duct. Every grille has a front end frame that will overlap at the wall joint. The total outer size of this grille is the listed size plus 1.75\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWidth vs Height:\u003c\/strong\u003e\u003cbr\u003e The first number in a grille size represents the width, and the second number represents the height. For example, if your hole is 20\" wide by 14\" tall, order a 20x14 grille. If your hole is 14\" wide by 20\" tall, order a 14x20 grille.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eWhy Hvac Premium\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eHVAC Premium has been providing superior quality service for many years. We pride ourselves on offering top-of-the-line products that meet the highest standards. With our extensive selection of Grilles, Registers, and Diffusers, we have assisted countless contractors, DIY projects, and home improvement remodeling specialists in completing their masterpieces. If you are looking to enhance your project with a top-of-the-line unit, look no further than HVAC Premium.\u003c\/p\u003e\n\u003cp\u003eWe carry sizes the big box stores don't, ensuring that you find the perfect fit for your ventilation needs. We are proud to have served over 5,000,000 satisfied customers!\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\u003c!--\n  .plus {\n    display: inline-block;\n    width: 20px;\n    height: 20px;\n    background-color: #000;\n    color: #fff;\n    font-size: 14px;\n    text-align: center;\n    line-height: 20px;\n    margin-right: 8px;\n    border-radius: 50%;\n  }\n\n  .accordion-title {\n    font-size: 18px;\n  }\n--\u003e\u003c\/style\u003e\n\u003cscript\u003e\n  function toggleAccordion(event) {\n    event.preventDefault();\n    const dt = event.target.closest('dt');\n    const dd = dt.nextElementSibling;\n\n    if (dd.style.display === 'none') {\n      dd.style.display = 'block';\n      dt.querySelector('.plus').textContent = '-';\n    } else {\n      dd.style.display = 'none';\n      dt.querySelector('.plus').textContent = '+';\n    }\n  }\n\u003c\/script\u003e","brand":"HVAC Premium","offers":[{"title":"Default Title","offer_id":15783721402434,"sku":"CRG1012","price":39.73,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/8213\/6898\/products\/10-x-12-or-12-x-10-cube-core-eggcrate-return-air-grillereturn-696141.jpg?v=1743792559"},{"product_id":"10in-x-18in-cube-core-eggcrate-return-air-grille-aluminum-rust-proof-hvac-vent-duct-cover-white-outer-dimensions-1175w-x-1975h","title":"10\" x 18\" or 18\" x 10\" Cube Core Eggcrate Return Air Grille","description":"\u003cdiv style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\n\u003cdl class=\"accordion\"\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Details\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSize\u003c\/b\u003e – 10\" x 18\" or 18\" x 10\" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 11.75\" X 19.75\".\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh Quality\u003c\/b\u003e – High-quality, rust-free aluminum construction with smooth finished edges and counter-sunk screw holes (screws included); no sharp edges..\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInstallation Location\u003c\/b\u003e – sidewall and ceiling.\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDesign\u003c\/b\u003e – Cubic core eggcrate design Offers highest airflow efficiency at almost 95%, reducing electric bills and extending HVAC machine lifespan; provides a modern look and quiet operation due to its half-inch by half-inch cube design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePowder-Coat Finish\u003c\/b\u003e – Smooth, shiny, scratch-resistant, beautiful. Looks like it was just waxed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eQuality Packaging\u003c\/b\u003e – Carefully shrink wrapped with cardboard backing to prevent damage in shipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eProduct Description\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eEnhance your ventilation system with our high-quality grilles and registers. Designed for optimal air flow and lasting durability, our carefully crafted products offer superior performance. With precise measurements and easy installation, they seamlessly integrate into your space, ensuring a perfect fit. Experience the difference in quality with our sleek design and hassle-free functionality. Elevate your air system today and enjoy improved aesthetics and efficient airflow for a comfortable living environment.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eHow To Measure A Grille\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003e\u003cstrong\u003eOverall Size:\u003c\/strong\u003e\u003cbr\u003e Measure the size of the air duct\/drywall opening. Do not measure the overall size of the register itself, only measure the \"hole\" in the wall\/duct. Every grille has a front end frame that will overlap at the wall joint. The total outer size of this grille is the listed size plus 1.75\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWidth vs Height:\u003c\/strong\u003e\u003cbr\u003e The first number in a grille size represents the width, and the second number represents the height. For example, if your hole is 20\" wide by 14\" tall, order a 20x14 grille. If your hole is 14\" wide by 20\" tall, order a 14x20 grille.\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003cdt\u003e\u003ca class=\"active\" href=\"#\" onclick=\"toggleAccordion(event)\"\u003e \u003cspan class=\"plus\"\u003e+\u003c\/span\u003e \u003cspan class=\"accordion-title\"\u003eWhy Hvac Premium\u003c\/span\u003e \u003c\/a\u003e\u003c\/dt\u003e\n\u003cdd style=\"display: none;\"\u003e\n\u003cp\u003eHVAC Premium has been providing superior quality service for many years. We pride ourselves on offering top-of-the-line products that meet the highest standards. With our extensive selection of Grilles, Registers, and Diffusers, we have assisted countless contractors, DIY projects, and home improvement remodeling specialists in completing their masterpieces. If you are looking to enhance your project with a top-of-the-line unit, look no further than HVAC Premium.\u003c\/p\u003e\n\u003cp\u003eWe carry sizes the big box stores don't, ensuring that you find the perfect fit for your ventilation needs. We are proud to have served over 5,000,000 satisfied customers!\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\u003c!--\n  .plus {\n    display: inline-block;\n    width: 20px;\n    height: 20px;\n    background-color: #000;\n    color: #fff;\n    font-size: 14px;\n    text-align: center;\n    line-height: 20px;\n    margin-right: 8px;\n    border-radius: 50%;\n  }\n\n  .accordion-title {\n    font-size: 18px;\n  }\n--\u003e\u003c\/style\u003e\n\u003cscript\u003e\n  function toggleAccordion(event) {\n    event.preventDefault();\n    const dt = event.target.closest('dt');\n    const dd = dt.nextElementSibling;\n\n    if (dd.style.display === 'none') {\n      dd.style.display = 'block';\n      dt.querySelector('.plus').textContent = '-';\n    } else {\n      dd.style.display = 'none';\n      dt.querySelector('.plus').textContent = '+';\n    }\n  }\n\u003c\/script\u003e","brand":"HVAC Premium","offers":[{"title":"Default Title","offer_id":15783721435202,"sku":"CRG1018","price":58.33,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/8213\/6898\/products\/10-x-18-or-18-x-10-cube-core-eggcrate-return-air-grillereturn-484979.jpg?v=1743792559"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/8213\/6898\/collections\/return-aluminum-cube-core-269515.jpg?v=1743790688","url":"https:\/\/hvacpremium.com\/collections\/return-aluminum_cube_core\/outer-width-_8-5in.oembed","provider":"HVAC Premium","version":"1.0","type":"link"}