20" X 30" Steel Return Air Filter Grille for 1" Filter - Removable Frame - Black - [Outer Dimensions: 22 5/8" X 32 5/8"] Material_Aluminum 4" X 10" Is The 4 X 12 Is CRFG2028 Width_14in

4" X 10" Is The Size For The Duct Opening (floor/vent hole) Measurement Only

actual front end outer dimensions are approximately 16 5/8" width X 26 5/8" height

heat pump systems

Each grille is carefully packaged with cardboard backing to prevent damage during shipment

+ Product Details Size – 12"w X 14"h is the size for the duct opening measurement only

20" X 30" Steel Return Air Filter Grille for 1" Filter Removable Frame Black [Outer Dimensions: 22 5 8" X 32 5 8"] Material_Aluminum 4" X 10" Is The 4 X 12 Is CRFG2028 Width_14in 4" X 10" Is The Size For The Duct Opening (floor vent hole) Measurement Only actual front end outer dimensions are approximately 16 5 8" width X 26 5 8" height