![14"w X 8"h Steel Return Air Grilles - Sidewall and Ceiling - HVAC Duct Cover - Brown [Outer Dimensions: 15.75"w X 9.75"h] - Amazon.com](https://m.media-amazon.com/images/I/91UPIwvXZ-L._AC_UF894,1000_QL80_.jpg "14\"w X 8\"h Steel Return Air Grilles - Sidewall and Ceiling - HVAC Duct Cover - Brown [Outer Dimensions: 15.75\"w X 9.75\"h] - Amazon.com")
14"w X 8"h Steel Return Air Grilles - Sidewall and Ceiling - HVAC Duct Cover - Brown [Outer Dimensions: 15.75"w X 9.75"h] - Amazon.com
![14" x 26" Return Air Grille - Sidewall and Ceiling - HVAC Vent Duct Cover Diffuser - [White] [Outer Dimensions: 15.75w X 27.75" h] - Amazon.com](https://m.media-amazon.com/images/I/81Nx4dgZ2KL._AC_UF894,1000_QL80_.jpg "14\" x 26\" Return Air Grille - Sidewall and Ceiling - HVAC Vent Duct Cover Diffuser - [White] [Outer Dimensions: 15.75w X 27.75\" h] - Amazon.com")
14" x 26" Return Air Grille - Sidewall and Ceiling - HVAC Vent Duct Cover Diffuser - [White] [Outer Dimensions: 15.75w X 27.75" h] - Amazon.com
Steel Return Grilles - Sidewall and Ceiling - HVAC Duct Cover (20" X 16", White) - Heating Vents - Amazon.com
Steinberg14 Gray 10x6 inch Return Air Grille Vent Cover with Bug Screen - Steel Wall Duct Cover for Indoor Outdoor - Air Vent Covers for Wall, Ceiling, Sidewall and Door - Amazon.com
16" x 8" Inch Brown Air Vent Cover - Steel Return Air Grilles - for Ceiling and Sidewall - HVAC - with Insect Protection Screen (15.74''x7.87'' Inch, Brown) - Amazon.com
![30"w X 16"h Steel Return Air Grilles - Sidewall and Ceiling - HVAC Duct Cover - White [Outer Dimensions: 31.75"w X 17.75"h] - Amazon.com](https://m.media-amazon.com/images/I/81VDK3oNwBL._AC_UF894,1000_QL80_.jpg "30\"w X 16\"h Steel Return Air Grilles - Sidewall and Ceiling - HVAC Duct Cover - White [Outer Dimensions: 31.75\"w X 17.75\"h] - Amazon.com")
30"w X 16"h Steel Return Air Grilles - Sidewall and Ceiling - HVAC Duct Cover - White [Outer Dimensions: 31.75"w X 17.75"h] - Amazon.com
Amazon.com: 2 Pack White Air Vent Covers, Iron Return Air Grill for 6x12 HVAC Systems : Patio, Lawn & Garden
![34" x 10" Return Air Grille - Sidewall and Ceiling - HVAC Vent Duct Cover Diffuser - [White] [Outer Dimensions: 35.75w X 11.75"h] - Amazon.com](https://m.media-amazon.com/images/I/617AK5PzXQL._AC_UF894,1000_QL80_.jpg "34\" x 10\" Return Air Grille - Sidewall and Ceiling - HVAC Vent Duct Cover Diffuser - [White] [Outer Dimensions: 35.75w X 11.75\"h] - Amazon.com")
34" x 10" Return Air Grille - Sidewall and Ceiling - HVAC Vent Duct Cover Diffuser - [White] [Outer Dimensions: 35.75w X 11.75"h] - Amazon.com
![6" x 26" or 26" x 6" Cube Core Eggcrate Return Air Grille - Aluminum Rust Proof - HVAC Vent Duct Cover - White [Outer Dimensions: 8.75] - Amazon.com](https://m.media-amazon.com/images/I/7163SVtBikL._AC_UF894,1000_QL80_.jpg "6\" x 26\" or 26\" x 6\" Cube Core Eggcrate Return Air Grille - Aluminum Rust Proof - HVAC Vent Duct Cover - White [Outer Dimensions: 8.75] - Amazon.com")
6" x 26" or 26" x 6" Cube Core Eggcrate Return Air Grille - Aluminum Rust Proof - HVAC Vent Duct Cover - White [Outer Dimensions: 8.75] - Amazon.com
![20" X 14 Steel Return Air Filter Grille for 1" Filter - Removable Face/Door - HVAC Duct Cover - Flat Stamped Face - White [Outer Dimensions: 22.5 X 15.75] - Amazon.com](https://m.media-amazon.com/images/I/81qOnRtsirL._AC_UF894,1000_QL80_.jpg "20\" X 14 Steel Return Air Filter Grille for 1\" Filter - Removable Face/Door - HVAC Duct Cover - Flat Stamped Face - White [Outer Dimensions: 22.5 X 15.75] - Amazon.com")
20" X 14 Steel Return Air Filter Grille for 1" Filter - Removable Face/Door - HVAC Duct Cover - Flat Stamped Face - White [Outer Dimensions: 22.5 X 15.75] - Amazon.com
![12"w X 12"h Steel Return Air Grilles - Sidewall and Ceiling - HVAC DUCT COVER - White [Outer Dimensions: 13.75"w X 13.75"h] - Amazon.com](https://m.media-amazon.com/images/I/81c1Iwu7xqL._AC_UF894,1000_QL80_.jpg "12\"w X 12\"h Steel Return Air Grilles - Sidewall and Ceiling - HVAC DUCT COVER - White [Outer Dimensions: 13.75\"w X 13.75\"h] - Amazon.com")
12"w X 12"h Steel Return Air Grilles - Sidewall and Ceiling - HVAC DUCT COVER - White [Outer Dimensions: 13.75"w X 13.75"h] - Amazon.com
![26" x 6" Return Air Grille - Sidewall and Ceiling - HVAC Vent Duct Cover Diffuser - [White] [Outer Dimensions: 27.75w X 7.75"h] - Amazon.com](https://m.media-amazon.com/images/I/71epO4UQSBL._AC_UF894,1000_QL80_.jpg "26\" x 6\" Return Air Grille - Sidewall and Ceiling - HVAC Vent Duct Cover Diffuser - [White] [Outer Dimensions: 27.75w X 7.75\"h] - Amazon.com")
26" x 6" Return Air Grille - Sidewall and Ceiling - HVAC Vent Duct Cover Diffuser - [White] [Outer Dimensions: 27.75w X 7.75"h] - Amazon.com
6 x 24 Unfinished MDF Vent Cover - Wood Register Cold Air Return Wall Vent Unfinished - Custom Made - Amazon.com
![4" x 8" Return Air Grille - Sidewall and Ceiling - HVAC Vent Duct Cover Diffuser - [White] [Outer Dimensions: 5.75w X 9.75"h] - Amazon.com](https://m.media-amazon.com/images/I/71Alwf+EatL._AC_UF894,1000_QL80_.jpg "4\" x 8\" Return Air Grille - Sidewall and Ceiling - HVAC Vent Duct Cover Diffuser - [White] [Outer Dimensions: 5.75w X 9.75\"h] - Amazon.com")
4" x 8" Return Air Grille - Sidewall and Ceiling - HVAC Vent Duct Cover Diffuser - [White] [Outer Dimensions: 5.75w X 9.75"h] - Amazon.com
16" x 8" Inch Black Air Vent Cover - Steel Return Air Grilles - for Ceiling and Sidewall - HVAC - with Insect Protection Screen (15.74''x7.87'' Inch, Black) - Amazon.com
14" X 20" AirGrilles.com Heavy Duty Steel Return Air Grille | HVAC Vent Cover Grill for Sidewall and Ceiling, White | Outer Dimensions: 15.75"W X 21.75"H for 14x20 Duct Opening - Amazon.com
![30"w X 8"h Steel Return Air Grilles - Sidewall and Ceiling - HVAC Duct Cover - White [Outer Dimensions: 31.75"w X 9.75"h] - Amazon.com](https://m.media-amazon.com/images/I/61PaJ-8x2uL._AC_UF894,1000_QL80_.jpg "30\"w X 8\"h Steel Return Air Grilles - Sidewall and Ceiling - HVAC Duct Cover - White [Outer Dimensions: 31.75\"w X 9.75\"h] - Amazon.com")
30"w X 8"h Steel Return Air Grilles - Sidewall and Ceiling - HVAC Duct Cover - White [Outer Dimensions: 31.75"w X 9.75"h] - Amazon.com
![14" X 8" Steel Return Air Filter Grille for 1" Filter - Removable Face/Door - HVAC Duct Cover - Flat Stamped Face - White [Outer Dimensions: 16.5 X 9.75] - Amazon.com](https://m.media-amazon.com/images/I/81zNC5DH5iL._AC_UF894,1000_QL80_.jpg "14\" X 8\" Steel Return Air Filter Grille for 1\" Filter - Removable Face/Door - HVAC Duct Cover - Flat Stamped Face - White [Outer Dimensions: 16.5 X 9.75] - Amazon.com")
14" X 8" Steel Return Air Filter Grille for 1" Filter - Removable Face/Door - HVAC Duct Cover - Flat Stamped Face - White [Outer Dimensions: 16.5 X 9.75] - Amazon.com
Amazon.com: Amazon Basics 1RA3006WH White 30" W X 6” H Return Air Grille Duct Cover for Ceiling and Wall 1 Pack
Steel Return Grilles - Sidewall and Ceiling - HVAC Duct Cover (25" x 8", White) - Amazon.com
![24" X 14 Steel Return Air Filter Grille for 1" Filter - Removable Face/Door - HVAC Duct Cover - Flat Stamped Face - White [Outer Dimensions: 26.5 X 15.75] - Amazon.com](https://m.media-amazon.com/images/I/71WMXu0XjoL._AC_UF894,1000_QL80_.jpg "24\" X 14 Steel Return Air Filter Grille for 1\" Filter - Removable Face/Door - HVAC Duct Cover - Flat Stamped Face - White [Outer Dimensions: 26.5 X 15.75] - Amazon.com")
24" X 14 Steel Return Air Filter Grille for 1" Filter - Removable Face/Door - HVAC Duct Cover - Flat Stamped Face - White [Outer Dimensions: 26.5 X 15.75] - Amazon.com
![25"w X 20"h Steel Return Air Grilles - Sidewall and Ceiling - HVAC Duct Cover - White [Outer Dimensions: 26.75"w X 21.75"h] - Amazon.com](https://m.media-amazon.com/images/I/717YDl2XoqL._AC_UF894,1000_QL80_.jpg "25\"w X 20\"h Steel Return Air Grilles - Sidewall and Ceiling - HVAC Duct Cover - White [Outer Dimensions: 26.75\"w X 21.75\"h] - Amazon.com")
25"w X 20"h Steel Return Air Grilles - Sidewall and Ceiling - HVAC Duct Cover - White [Outer Dimensions: 26.75"w X 21.75"h] - Amazon.com
Amazon.com: tonchean Air Return Grill 24” x 24” HVAC Return Air Grille, Air Return Vent Cover for Sidewall Ceiling, Louvered Ventilation Grille Aluminum Wall Vent : Tools & Home Improvement
6x6 Aluminum Return Grille Vent Cover for HVAC Ceiling/Sidewall. Easy Air Flow. Gable Vents. Designed for air Extraction. (7.6x7.6" Face). - Amazon .com
![Venti Air 10" X 30" Steel Return Air Filter Grille - Removable Face/Door for 1 inch Filters - HVAC Duct Cover Grill (2-3 Business Day Delivery) [Outer Dimension: 12.5"W X 32.5" H] - Amazon.com](https://m.media-amazon.com/images/I/71T6BNHIY-L._AC_UF894,1000_QL80_.jpg "Venti Air 10\" X 30\" Steel Return Air Filter Grille - Removable Face/Door for 1 inch Filters - HVAC Duct Cover Grill (2-3 Business Day Delivery) [Outer Dimension: 12.5\"W X 32.5\" H] - Amazon.com")