22" X 30" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 24 5/8" X 32 5/8"] w28h28 accordion-header { display: flex

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+ Product Details Size – 30"w X 22"h is the size for the duct opening measurement only

+ Product Details Size - 25"w X 6"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 41

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

22" X 30" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 24 5/8" X 32 5/8"] w28h28 accordion-header { display: flex+ Product Details Size 22"w X 30"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 24 5 8" width X 32 5 8" height Actual Filter Size 21 3 4"w x 29 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.