22" X 32" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 24 5/8" X 34 5/8"] Material_Steel the actual front end outer

the actual front end outer dimensions are 10" in diameter

+ Product Details Size – 20"w X 36"h is the size for the duct opening measurement only

Actual Filter Size – 24 3/4"w x 25 3/4" x 1"

please note that the total outer dimensions of the grille measure 6" in diameter

+ Product Details Size - 18"w X 8"h is the size for the duct opening measurement only

22" X 32" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 24 5/8" X 34 5/8"] Material_Steel the actual front end outer+ Product Details Size 22"w X 32"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 21 5 8" width X 31 5 8" height 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. Our filter grille latch is easy to use on