12" X 28" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 14 5/8" X 30 5/8"] Aluminum - Cube Core Actual Filter Size – 13

Actual Filter Size – 13 3/4"w x 29 3/4" x 1"

and durable finish that resists scratches and maintains a clean

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+ Product Details Size - 34"w X 24"h is the size for the duct opening measurement only

guaranteeing efficient ventilation throughout your space

12" X 28" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 14 5/8" X 30 5/8"] Aluminum - Cube Core Actual Filter Size – 13+ Product Details Size 12"w X 28"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 14 5 8" width X 30 5 8" height Actual Filter Size 11 3 4"w x 27 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