32" X 32" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 34 5/8" X 34 5/8"] w18h18 that will overlap at wall

that will overlap at wall joint

+ Product Details Size – 14"w X 20"h is the size for the duct opening measurement only

+ Product Details Perfect Fit & Easy Sizing - Designed for a 20" x 20" duct opening (measured at the opening)

please note that the total outer dimensions of the grille measure 8" in diameter

32" X 32" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 34 5/8" X 34 5/8"] w18h18 that will overlap at wall+ Product Details Size 32"w X 32"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 34 5 8" width X 34 5 8" height Actual Filter Size 31 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.