36" x 25" Steel Return Air Filter Grill for 1" Filter Removable Face/Door 9in diameter please note that the total

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

Actual Filter Size – 15 3/4"w x 11 3/4" x 1"

Not for use with capacitor start or capacitor run motors

+ Product Details Size – 25"w X 14"h is the size for the duct opening measurement only

+ Product Details Size - 8"w X 30"h is the size for the duct opening measurement only

36" x 25" Steel Return Air Filter Grill for 1" Filter Removable Face/Door 9in diameter please note that the total+ Product Details Size 36"w X 25"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 38 5 8" width X 27 5 8" height Actual Filter Size 35 3 4"w x 24 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.