30" X 14" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 32 5/8" X 16 5/8"] Aluminum please note that the total

please note that the total outer dimensions of the grille measure 8" in diameter

75" width X 5

+ Product Details Size - 18"w X 6"h is the size for the duct opening measurement only

+ 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

30" X 14" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 32 5/8" X 16 5/8"] Aluminum please note that the total+ 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.