• Size & Compatibility – The size of the side round ceiling box is 6" X 6" X 4" and it is compatible with duct 4"
• Premium Quality – Made in the USA. Our Galvanized Duct Box is made of high-quality 26-Gauge galvanized sheet metal for durability. It features a snap-lock design for easy fitting and a secure connection.
• Applications – The C-box duct with drywall flange, round-connects to vent register diffuser, airflow conditioning ceiling registers.

If you are looking for a good quality Galvanized Steel Duct to enhance your project look no further than HVAC Premium. We have helped a lot of customers and we are proud to be having happy customers. We always strive to choose high-quality materials and provide the most intimate service, and we commit that our product will provide you with a satisfying purchasing experience. We provide the best quality products!

HVAC 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.

We 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!