25" X 30" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 27 5/8" X 32 5/8"] Insulated Line Set Actual Filter Size – 11

Actual Filter Size – 11 3/4"w x 11 3/4" x 1"

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

and yet lightweight and easy to handle

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25" X 30" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 27 5/8" X 32 5/8"] Insulated Line Set Actual Filter Size – 11+ Product Details Size 25"w X 30"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 27 5 8" width X 32 5 8" height Actual Filter Size 24 3 4"w x 29 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.