12" X 10" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 14 5/8" X 12 5/8"] Grilles + Product Details Size –

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

75" width X 23

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+ Product Details Perfect Fit & Easy Sizing - Designed for a 14" x 30" OR 30" X 14" duct opening (measured at the opening)

12" X 10" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 14 5/8" X 12 5/8"] Grilles + Product Details Size –+ Product Details Size 12"w X 10"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 14 5 8" width X 12 5 8" height Actual Filter Size 11 3 4"w x 9 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