VEVOR Return Air Filter Grille, Fits W20 x H25in Duct Opening Size, Filter Included, Return Air Vent Cover for Wall, Powder-Coated Steel Return Air Grill Detachable Face/Door for 1 inch Filters

VEVOR Return Air Filter Grille, Fits W20 x H25in Duct Opening Size, Filter Included, Return Air Vent Cover for Wall, Powder-Coated Steel Return Air Grill Detachable Face/Door for 1 inch FiltersReturn Air Filter GrilleHow to MeasureEfficient Air ExchangeEasy to Replace and MaintainEasy InstallationMultiple Size OptionsInstallation Opening Dimensions: 19.7 x 24.8 in / 50 x 63 cm,Installation Opening Thickness: 1.06 in / 2.7 cm,Filter Slot Dimensions: 19.6 x 24.7 x 1.3 in / 49.8 x 62.8 x 3.2 cm,Item Model Number: 1RAF2025F-1,Product Dimensions: 22.6 x 27.6 x 1.6 in / 57.4 x 70.2 x 4 cm,Net Weight: 7.72 lbs / 3.5 kg,Filter Rating: MERV8