32" X 24" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 34 5/8" X 26 5/8"] 18in diameter /* Adding space between bullet

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+ Product Details Size - 22"w X 14"h is the size for the duct opening measurement only

Actual Filter Size – 7 3/4"w x 33 3/4" x 1"

+ Product Details Size - 10"w X 8"h is the size for the duct opening measurement only

75" width X 27

32" X 24" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 34 5/8" X 26 5/8"] 18in diameter /* Adding space between bullet+ Product Details Size 32"w X 24"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 34 5 8" width X 26 5 8" height Actual Filter Size 31 3 4"w x 23 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.