24" X 28" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 26 5/8" X 30 5/8"] w12h12 please note that the total

please note that the total outer dimensions of the grille measure 7" in diameter

+ Product Details Size – 22"w X 12"h is the size for the duct opening measurement only

Actual Filter Size – 24 3/4"w x 9 3/4" x 1"

actual front end outer dimensions are approximately 26 5/8" width X 38 5/8" height

With precise measurements for seamless integration

24" X 28" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 26 5/8" X 30 5/8"] w12h12 please note that the total+ Product Details Size 24"w X 28"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 26 5 8" width X 30 5 8" height Actual Filter Size 23 3 4"w x 27 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.