22" X 16" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 24 5/8" X 18 5/8"] w25h25 display = 'none'

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+ Product Details Size - The listed 4" diameter refers specifically to the size of the duct opening

75" width X 11

+ Product Details Size - 8"w X 12"h is the size for the duct opening measurement only

our coils offer from 2300 to 6500 PSI

22" X 16" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 24 5/8" X 18 5/8"] w25h25 display = 'none'+ Product Details Size 22"w X 16"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 24 5 8" width X 18 5 8" height Actual Filter Size 21 3 4"w x 15 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.