20" x 12" Steel Return Air Filter Grill for 1" Filter Removable Face/Door Compatible With Duct 6in With a 8" diameter for

With a 8" diameter for the duct opening measurement

75"H – fits a 10" X 10" duct opening

actual front end outer dimensions are approximately 22 5/8" width X 32 5/8" height

+ Product Details Size – 6" x 18" or 18" x 6" is the size for the duct opening measurement only

20" x 12" Steel Return Air Filter Grill for 1" Filter Removable Face/Door Compatible With Duct 6in With a 8" diameter for+ Product Details Size 20"w X 12"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 22 5 8" width X 14 5 8" height Actual Filter Size 19 3 4"w x 11 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.