30" X 28" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 32 5/8" X 30 5/8"] w34h34 The powder-coated finish ensures a

The powder-coated finish ensures a sleek look while protecting the grille from wear and tear

actual front end outer dimensions are approximately 28 5/8" width X 20 5/8" height

actual front end outer dimensions are approximately 16 5/8" width X 24 5/8" height

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30" X 28" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 32 5/8" X 30 5/8"] w34h34 The powder-coated finish ensures a+ Product Details Size 30"w X 28"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 32 5 8" width X 30 5 8" height Actual Filter Size 29 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.