![18"w X 8"h Steel Return Air Grilles - Sidewall and Ceiling - HVAC Duct Cover - White [Outer Dimensions: 19.75"w X 9.75"h] - Amazon.com](https://m.media-amazon.com/images/I/610cs8QU63L._AC_UF894,1000_QL80_.jpg "18\"w X 8\"h Steel Return Air Grilles - Sidewall and Ceiling - HVAC Duct Cover - White [Outer Dimensions: 19.75\"w X 9.75\"h] - Amazon.com")
18"w X 8"h Steel Return Air Grilles - Sidewall and Ceiling - HVAC Duct Cover - White [Outer Dimensions: 19.75"w X 9.75"h] - Amazon.com
![24"w X 14"h Steel Return Air Grilles - Sidewall and Ceiling - HVAC Duct Cover - White [Outer Dimensions: 25.75"w X 15.75"h] - Heating Vents - Amazon .com](https://m.media-amazon.com/images/I/61hJsRPHpYL._AC_UF894,1000_QL80_.jpg "24\"w X 14\"h Steel Return Air Grilles - Sidewall and Ceiling - HVAC Duct Cover - White [Outer Dimensions: 25.75\"w X 15.75\"h] - Heating Vents - Amazon .com")
24"w X 14"h Steel Return Air Grilles - Sidewall and Ceiling - HVAC Duct Cover - White [Outer Dimensions: 25.75"w X 15.75"h] - Heating Vents - Amazon .com
![12"w X 6"h Steel Return Air Grilles - Sidewall and Ceiling - HVAC Duct Cover - Brown [Outer Dimensions: 13.75"w X 7.75"h] - Amazon.com](https://m.media-amazon.com/images/I/71wNijguNUL._AC_UF894,1000_QL80_.jpg "12\"w X 6\"h Steel Return Air Grilles - Sidewall and Ceiling - HVAC Duct Cover - Brown [Outer Dimensions: 13.75\"w X 7.75\"h] - Amazon.com")
12"w X 6"h Steel Return Air Grilles - Sidewall and Ceiling - HVAC Duct Cover - Brown [Outer Dimensions: 13.75"w X 7.75"h] - Amazon.com
![10"w X 10"h Steel Return Air Grilles - Sidewall and Ceiling - HVAC Duct Cover - White [Outer Dimensions: 11.75"w X 11.75"h] - Heating Vents - Amazon .com](https://m.media-amazon.com/images/I/517kLCMBnaL._AC_UF894,1000_QL80_.jpg "10\"w X 10\"h Steel Return Air Grilles - Sidewall and Ceiling - HVAC Duct Cover - White [Outer Dimensions: 11.75\"w X 11.75\"h] - Heating Vents - Amazon .com")
10"w X 10"h Steel Return Air Grilles - Sidewall and Ceiling - HVAC Duct Cover - White [Outer Dimensions: 11.75"w X 11.75"h] - Heating Vents - Amazon .com
Steel Return Grilles - Sidewall and Ceiling - HVAC Duct Cover (30"w X 10"h, White) - Amazon.com
![4" x 14" Return Air Grille - Sidewall and Ceiling - HVAC Vent Duct Cover Diffuser - [White] [Outer Dimensions: 5.75w X 15.75"h] - Amazon.com](https://m.media-amazon.com/images/I/71Alwf+EatL._AC_UF894,1000_QL80_.jpg "4\" x 14\" Return Air Grille - Sidewall and Ceiling - HVAC Vent Duct Cover Diffuser - [White] [Outer Dimensions: 5.75w X 15.75\"h] - Amazon.com")
4" x 14" Return Air Grille - Sidewall and Ceiling - HVAC Vent Duct Cover Diffuser - [White] [Outer Dimensions: 5.75w X 15.75"h] - Amazon.com
Amazon.com: Amazon Basics 1RA1408WH White 14” W X 8" H Return Air Grille Duct Cover for Ceiling and Wall 2 Pack
Steel Return Grilles - Sidewall and Ceiling - HVAC Duct Cover (14" x 18", White) - 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
![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
Aluminum Return Grille for 18x6” Duct Hole - Easy Air Flow Ceiling/Sidewall Vent Cover Without Damper - 19.6x7.6" Face Size - Ideal for Air Extraction - Amazon.com
![30"w X 14"h Steel Return Air Grilles - Sidewall and Ceiling - HVAC Duct Cover - White [Outer Dimensions: 31.75"w X 15.75"h] - Heating Vents - Amazon .com](https://m.media-amazon.com/images/I/81yT5SvAJLL._AC_UF894,1000_QL80_.jpg "30\"w X 14\"h Steel Return Air Grilles - Sidewall and Ceiling - HVAC Duct Cover - White [Outer Dimensions: 31.75\"w X 15.75\"h] - Heating Vents - Amazon .com")
30"w X 14"h Steel Return Air Grilles - Sidewall and Ceiling - HVAC Duct Cover - White [Outer Dimensions: 31.75"w X 15.75"h] - Heating Vents - Amazon .com
16" x 8" Inch White Air Vent Cover - Steel Return Air Grilles - for Ceiling and Sidewall - HVAC - with Insect Protection Screen (15.74''x7.87'' Inch, White) - Amazon.com
![22" x 16" Return Air Grille - Sidewall and Ceiling - HVAC Vent Duct Cover Diffuser - [White] [Outer Dimensions: 23.75w X 17.75" h] - Amazon.com](https://m.media-amazon.com/images/I/71IQ15MgDWL._AC_UF894,1000_QL80_.jpg "22\" x 16\" Return Air Grille - Sidewall and Ceiling - HVAC Vent Duct Cover Diffuser - [White] [Outer Dimensions: 23.75w X 17.75\" h] - Amazon.com")
22" x 16" Return Air Grille - Sidewall and Ceiling - HVAC Vent Duct Cover Diffuser - [White] [Outer Dimensions: 23.75w X 17.75" 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](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
Aluminum Return Grille for 12x8” Duct Hole - Easy Air Flow Ceiling/Sidewall Vent Cover Without Damper - 13.6x9.6" Face Size - Ideal for Air Extraction - Amazon.com
![Steel Return Air Filter Grille for Sidewall and Ceiling [Duct Opening Size] Vent Cover Return Air for 1-inch Filters | Vent Cover Grill, White (Duct Opening Sizez:24inch x 12inch) - Amazon.com](https://m.media-amazon.com/images/I/71WDp4rc2iL._AC_UF894,1000_QL80_.jpg "Steel Return Air Filter Grille for Sidewall and Ceiling [Duct Opening Size] Vent Cover Return Air for 1-inch Filters | Vent Cover Grill, White (Duct Opening Sizez:24inch x 12inch) - Amazon.com")
Steel Return Air Filter Grille for Sidewall and Ceiling [Duct Opening Size] Vent Cover Return Air for 1-inch Filters | Vent Cover Grill, White (Duct Opening Sizez:24inch x 12inch) - Amazon.com
Steel Return Grilles - Sidewall and Ceiling - HVAC Duct Cover (18" X 18", White) - Heating Vents - Amazon.com
12" x 6" Inch Black Air Vent Cover - Quality Steel Return Air Grilles - for Ceiling and Sidewall - HVAC - with Insect Protection Screen (11.81''x5.90'' Inch, Black) - Amazon.com
EZ-FLO 16 x 25 Inch (Duct Opening) Return Filter Grille, Steel Powder-Coated White Finish, 61671 - Heating Vents - Amazon.com
24x24 Aluminum Return Grille Vent Cover for HVAC Ceiling/Sidewall. Easy Air Flow. Gable Vents. Designed for air Extraction. (25.6x25.6" Face). - Amazon .com
Amazon.com: Amazon Basics 1RA1408WH White 14” W X 8" H Return Air Grille Duct Cover for Ceiling and Wall 1 Pack
24" x 24" T-Bar Drop Ceiling Perforated Return Grill - Metal Back Casing - with 8" Collar - Amazon.com
![Amazon.com: 12" X 10" Steel Return Air Grilles - Sidewall and Ceiling - HVAC Duct Cover - Black [Outer Dimensions: 13.75" w X 11.75" h] : Tools & Home Improvement](https://m.media-amazon.com/images/I/81e5Ja3Yu7L._AC_UF894,1000_QL80_.jpg "Amazon.com: 12\" X 10\" Steel Return Air Grilles - Sidewall and Ceiling - HVAC Duct Cover - Black [Outer Dimensions: 13.75\" w X 11.75\" h] : Tools & Home Improvement")