20" X 14" Steel Return Air Filter Grille for 1" Filter - Removable Frame - * Filter Included * [Outer Dimensions: 22 5/8" X 16 5/8"] return grille and Centralized Air Ducted Units

and Centralized Air Ducted Units

[Outer Dimensions: 22

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+ Product Details Size - 12"w X 36"h is the size for the duct opening measurement only

Our coils have a very high PSI burst pressure

20" X 14" Steel Return Air Filter Grille for 1" Filter - Removable Frame - * Filter Included * [Outer Dimensions: 22 5/8" X 16 5/8"] return grille and Centralized Air Ducted Units+ Product Details Size 20"w X 14"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 22 5 8" width X 16 5 8" height Actual Filter Size 19 3 4"w x 13 3 4" x 1" High Quality High quality solid stamped steel with counter sunk screw holes (screws included) and no sharp edges Installation Location Sidewall and ceiling Design Removable door face for easy filter change & cleaning uses a 1" thick filter.