32" X 28" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 34 5/8" X 30 5/8"] 18" Diameter Noise free components - no

Noise free components - no vibrating louvers etc

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Actual Filter Size – 24 3/4"w x 35 3/4" x 1"

customize cuts and flares as needed

Carefully Shrink Wrapped – With cardboard backing to prevent damage in shipment

32" X 28" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 34 5/8" X 30 5/8"] 18" Diameter Noise free components - no+ Product Details Size 32"w X 28"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 34 5 8" width X 30 5 8" height Actual Filter Size 31 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 Installation Location Sidewall and ceiling Design Removable door face for easy filter change & cleaning uses a 1" thick filter.