12" X 32" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 14 5/8" X 34 5/8"] 8" Diameter + Product Details Size –

+ Product Details Size – 16"w X 20"h is the size for the duct opening measurement only

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actual front end outer dimensions are approximately 26 5/8" width X 10 5/8" height

Actual Filter Size – 24 3/4"w x 29 3/4" x 1"

High Quality ABS Plastic - Will Last Forever & NEVER RUST

12" X 32" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 14 5/8" X 34 5/8"] 8" Diameter + Product Details Size –+ Product Details Size 12"w X 32"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 14 5 8" width X 34 5 8" height Actual Filter Size 11 3 4"w x 31 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