12" X 6" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 14 5/8" X 8 5/8"] Color_Black + Product Details Size -

+ Product Details Size - 10"w X 24"h is the size for the duct opening measurement only

+ Product Details Size - 30"w X 34"h is the size for the duct opening measurement only

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+ Product Details Size - 18"w X 4"h is the size for the duct opening measurement only

+ Product Details Size - 14"w X 32"h is the size for the duct opening measurement only

12" X 6" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 14 5/8" X 8 5/8"] Color_Black + Product Details Size -+ Product Details Size 12"w X 6"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 14 5 8" width X 8 5 8" height Actual Filter Size 11 3 4"w x 5 3 4" x 1" High quality High quality solid stamped steel with counter sunk screw holes (screws included) and no sharp edges Location Sidewall and ceiling Design Removable door face for easy filter change & cleaning uses a 1" thick filter. Our filter grille