20" x 12" Steel Return Air Filter Grill for 1" Filter Removable Face/Door 14" Round Duct Pipe + Product Details Size -

+ Product Details Size - 14"w X 18"h X 2"d (for duct opening measurement only)

Upgrade your air distribution strategy today – invest in the efficiency and convenience of the 8" Radial Damper

designed for superior airflow (up to 95%) and easy filter access

Dimensions With Outer End are 11

20" x 12" Steel Return Air Filter Grill for 1" Filter Removable Face/Door 14" Round Duct Pipe + Product Details Size -+ 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.