32" X 18" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 34 5/8" X 20 5/8"] Aluminum - Cube Core actual front end outer dimensions

actual front end outer dimensions are approximately 32 5/8" width X 8 5/8" height

actual front end outer dimensions are approximately 14 5/8" width X 14 5/8" height

Installation Location – Sidewall & ceiling

no professional tools needed

Actual Filter Size – 33 3/4"w x 29 3/4" x 1"

32" X 18" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 34 5/8" X 20 5/8"] Aluminum - Cube Core actual front end outer dimensions+ Product Details Size 32"w X 18"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 34 5 8" width X 20 5 8" height Actual Filter Size 31 3 4"w x 17 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.