34" X 32" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 36 5/8" X 34 5/8"] Material_Steel +How To Measure A Grille

+How To Measure A Grille Overall Size:

Actual Filter Size – 7 3/4"w x 9 3/4" x 1"

+ Product Details Perfect Fit & Easy Sizing - Designed for a 16" x 25" OR 25" X 16" duct opening (measured at the opening)

actual front end outer dimensions are approximately 18 5/8" width X 34 5/8" height

actual front end outer dimensions are approximately 10 5/8" width X 16 5/8" height

34" X 32" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 36 5/8" X 34 5/8"] Material_Steel +How To Measure A Grille+ Product Details Size 34"w X 32"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 36 5 8" width X 34 5 8" height Actual Filter Size 33 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 Installation Location Sidewall and ceiling Design Removable door face for easy filter change & cleaning uses a 1" thick filter.