20 in. Width x 20 in. Height
![20" X 20 Steel Return Air Filter Grille for 1" Filter - Removable Face/Door - HVAC DUCT COVER - Flat Stamped Face - White [Outer Dimensions: 22.5"w X 22.5"h]](http://cdn.shopify.com/s/files/1/0081/8213/6898/products/2020_a_{width}x.jpg?v=1571710131)
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$96.99
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(2)
![20"w X 20"h Steel Return Air Grilles - Sidewall and ceiling - HVAC DUCT COVER - White [Outer Dimensions: 21.75"w X 21.75"h]](http://cdn.shopify.com/s/files/1/0081/8213/6898/products/2020_e43eb282-0da1-4789-ad8f-48f20710bc56_{width}x.jpg?v=1571710119)
$28.35
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(4)
$116.99
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(1)
![20"w X 20"h Aluminum Outdoor Weather Proof Louvers - Waterproof & Rain Block - With Screen Mesh - HVAC Weather Louver Grille [Outer Dimensions: 21.5"w X 21.5"h]](http://cdn.shopify.com/s/files/1/0081/8213/6898/products/1818_1_85455fba-683e-45ea-872a-44f946476d99_{width}x.jpg?v=1571710147)
$116.90
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(3)
![20" x 20" Cube Core Eggcrate Return Air Grille - Aluminum Rust Proof - HVAC Vent Duct Cover - White [Outer Dimensions: 22.5"w X 22.5"h]](http://cdn.shopify.com/s/files/1/0081/8213/6898/products/2020_1_8e0bbc8f-d16d-430c-abd8-8d077f3f9e0e_{width}x.jpg?v=1571710111)
$47.95
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(1)
![20" X 20 Steel Return Air Filter Grille for 1" Filter - Removable Face/Door - HVAC DUCT COVER - Flat Stamped Face - Black [Outer Dimensions: 22.5"w X 22.5"h]](http://cdn.shopify.com/s/files/1/0081/8213/6898/products/20x24black_{width}x.jpg?v=1571710131)
![20" x 20" Cube Core Eggcrate Return Air Filter Grille for 1" Filter - Aluminum - White [Outer Dimensions: 22.5"w X 22.5"h]](http://cdn.shopify.com/s/files/1/0081/8213/6898/products/2020_1_1476eba2-a620-43a3-b086-3c65d3a52508_{width}x.jpg?v=1571710129)
$58.95
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(4)
![20" x 20" Return Air Filter Grille * Filter Included * - Removable Face/Door - HVAC VENT DUCT COVER - White [Outer Dimensions: 22w X 22"h]](http://cdn.shopify.com/s/files/1/0081/8213/6898/products/2020_a_6079c216-efb4-4bd8-aaa1-fcd42584c047_{width}x.jpg?v=1571710144)
$65.99
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![20" X 20 Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - ceiling Recommended - HVAC DUCT COVER - Flat Stamped Face - White [Outer Dimensions: 22.5"w X 22.5"h]](http://cdn.shopify.com/s/files/1/0081/8213/6898/products/2222_1_{width}x.jpg?v=1581965146)
$59.99
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- Currently Out Of Stock
![20"w X 20"h 4-Way Aluminum Curved Blade Adjustable Air Supply HVAC Diffuser - Full Control Vertical/Horizontal Airflow Direction - Vent Duct Cover [Outer Dimensions: 21.65"w X 21.65"h]](http://cdn.shopify.com/s/files/1/0081/8213/6898/products/1010_4w_a_3e6edd41-943f-4b4a-8c24-7f71c1025e59_{width}x.jpg?v=1571710152)
$96.99
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(3)
![20" x 20" Pleated MERV 8 Alergan Filter for HVAC Return Filter Grille [Actual Dimensions: 19.75" X 19.75"]](http://cdn.shopify.com/s/files/1/0081/8213/6898/products/1_99315067-f5c7-4913-a6f5-7638d74cc63b_{width}x.jpg?v=1571710104)
$22.95
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$26.99
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- Currently Out Of Stock
![20"w X 20"h Aluminum Return Filter Grille with Easy Push Self Lock & reusable Mesh Filter - Return Air HVAC Vent Duct [Outer Dimensions: 21.2"w X 21.2"h]](http://cdn.shopify.com/s/files/1/0081/8213/6898/products/2424_1_39b3ed47-8ff8-4671-abed-6800a09ae39d_{width}x.jpg?v=1571710131)
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![20"w X 20"h Aluminum Outdoor Weather Proof Louver - Rain & Waterproof Air Vent With Screen Mesh - HVAC Grille - White [Outer Dimensions 21.75”w x 21.75”h]](http://cdn.shopify.com/s/files/1/0081/8213/6898/products/66white_1_70c7a8b1-1d9c-4287-b04b-5ced9aad87d6_{width}x.jpg?v=1571710175)
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![20" X 20" 4-Way AIR SUPPLY GRILLE - DUCT COVER & DIFFUSER - Flat Stamped Face - White [Outer Dimensions: 21.75"w X 21.75"h]](http://cdn.shopify.com/s/files/1/0081/8213/6898/products/1212w4_1_ee219233-f565-4fdf-acad-68b5d31c18c8_{width}x.jpg?v=1571710159)
$51.99
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- Currently Out Of Stock