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![]() B09MDK9S3Y Availability: Currently unavailable Score: 1000.000 Category: Tools Rating: 4.3 Votes: 19 Find similar productsAir Flow Decor 20 x 20 Steel Return Air Filter Grille | HVAC Vent Cover Grill for Sidewall and Ceiling | Air Return Vent Covers, White 1 Filter (NOT Included). Outside Dimensions: 21.75W x 21.75H. . | ![]() B09M9HSG2V Availability: Currently unavailable Score: 12.195 Category: Tools Rating: 4.7 Votes: 18 Find similar productsAir Flow Decor 24 x 12 Steel Return Air Grille | HVAC Vent Cover Grill for Wall, Sidewall and Ceiling | Air Return Vent Covers, White (Screws Included) | Outside Dimensions: 25.75W x 13.75H. . |
![]() B07588CNGR Price: $51.24 Score: 10.000 Category: Tools Rating: 4.4 Votes: 47 Find similar products16 X 22 Steel Return Air Filter Grille for 1 Filter - Easy Plastic Tabs for Removable Face/Door - HVAC Duct Cover - Flat Stamped Face -White [Outer Dimensions: 17.75w X 23.75h]. . | ![]() B07587995M Availability: Currently unavailable Score: 9.524 Category: Tools Rating: 4.5 Votes: 27 Find similar products22 x 26 Return Air Grille - Sidewall and Ceiling - HVAC Vent Duct Cover Diffuser - [White] [Outer Dimensions: 23.75w X 27.75h]. . |
![]() B00BE7TY6Y Availability: Currently unavailable Score: 9.346 Category: Tools Rating: 3 Votes: 1 Find similar productsSteel return air grille in white with frame (20 x 30). Kozziair filter return grille is built for sidewall and ceiling applications. It is build with a removable door for air filter and easy cleaning. It covers over a hole of 20 x 30 and allow room air to return back to the duct. All steel construction. White powder coating finish. | ![]() B07586Y2DW Availability: Currently unavailable Score: 9.346 Category: Tools Rating: 3.6 Votes: 19 Find similar products28 x 28 Return Air Grille - Sidewall and Ceiling - HVAC Vent Duct Cover Diffuser - [White] [Outer Dimensions: 29.75w X 29.75h]. . |
![]() B075814NTJ Availability: Currently unavailable Score: 9.259 Category: Tools Rating: 4 Votes: 14 Find similar products32 x 26 Return Air Grille - Sidewall and Ceiling - HVAC Vent Duct Cover Diffuser - [White] [Outer Dimensions: 33.75w X 27.75h]. . | ![]() B07581CY84 Availability: Currently unavailable Score: 9.259 Category: Tools Rating: 3.1 Votes: 8 Find similar products28 x 36 Return Air Grille - Sidewall and Ceiling - HVAC Vent Duct Cover Diffuser - [White] [Outer Dimensions: 29.75w X 37.75h]. . |
![]() B07D4KZ2Y4 Availability: Currently unavailable Score: 9.174 Category: Tools Rating: 4 Votes: 1 Find similar productsSidewall Steel Return Air Grille - Vent Cover in white without frame 16 w x 10 h (duct opening measurement). Kozziair Return Grille listed size 16” wide and 10” tall is for the duct opening measurement. Overall outside dimension is 17.75” wide and 11.75” tall. Difference Between grilles, registers, diffusers and vents: Grille – a series of deflectors in the shape of blades or fins fixed in a frame to allow air to pass through from duct to room space or from room to outside via duct Grille – a series of deflectors in the shape of blades or fins fixed in a frame to allow air to pass through from duct to room space or from room to outside via duct Register – a grille attached with a damper or valve to control the air flow volume Register – a grille attached with a damper or valve to control the air flow volume Diffuser – a unit with duct connecting piece and a larger face piece with multiple blades to spread out air flow to multiple directions. Examples are drop ceiling T-bar diffusers and round ceiling diffusers. Diffuser – a unit with duct connecting piece and a larger face piece with multiple blades to spread out air flow to multiple directions. Examples are drop ceiling T-bar diffusers and round ceiling diffusers. Size Selection Guide Measure the size of the air duct opening(the size of the “hole” ). Measure the size of the air duct opening(the size of the “hole” ). Select the listed size that match the duct opening size. Select the listed size that match the duct opening size. The outside or overall size is 1.75” larger for both width and length so it can cover the “hole”. The outside or overall size is 1.75” larger for both width and length so it can cover the “hole”. Do not use outside measurement for size selection or it would be too bit to fit. Do not use outside measurement for size selection or it would be too bit to fit. Width vs Height The first measurement in a return grille size is the width(horizontal measurement), the second measurement) is the height(vertical measurement). For example: if the hole on the wall is 16 wide by 10 tall, buy a 16 x 10 grille; If the hole is 10 wide by 16 tall, buy a 10 x 16 grille. | ![]() B0BJ9HPP52 Price: $18.38 Score: 8.475 Category: Tools Rating: 4.5 Votes: 71 Find similar productsHandua 10W x 6H [Duct Opening Size] Steel Adjustable Air Supply Grille | Register Vent Cover Grill for Sidewall and Ceiling | Black | Outer Dimensions: 11.75W X 7.75H for 10x6 Duct Opening. . |









