12" X 12" Steel Return Air Filter Grille for 1" Filter - Removable Frame - Black - [Outer Dimensions: 14 5/8" X 14 5/8"] Powder Coated Refrigerant - 1/2" White Insulation

Refrigerant - 1/2" White Insulation - 50' Long

+ Product Details Size - 8"w X 30"h is the size for the duct opening measurement only

Perfect for sidewall or ceiling installation

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12" X 12" Steel Return Air Filter Grille for 1" Filter - Removable Frame - Black - [Outer Dimensions: 14 5/8" X 14 5/8"] Powder Coated Refrigerant - 1/2" White Insulation+ Product Details Size 12"w X 12"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 14 5 8" width X 14 5 8" height Actual Filter Size 11 3 4"w x 11 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