30" X 14" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 32 5/8" X 16 5/8"] Ceiling padding: 14px 14px 6px 46px

padding: 14px 14px 6px 46px

+ Product Details Size - 12"w X 20"h is the size for the duct opening measurement only

Whether you're restoring an old Victorian or craftsman style home

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

+ Product Details Size - 10"w X 18"h is the size for the duct opening measurement only

30" X 14" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 32 5/8" X 16 5/8"] Ceiling padding: 14px 14px 6px 46px+ Product Details Size 30"w X 14"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 32 5 8" width X 16 5 8" height Actual Filter Size 29 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.