20" X 16" Steel Return Air Filter Grille for 1" Filter - Removable Frame - Black - [Outer Dimensions: 22 5/8" X 18 5/8"] Copper Coil-Insulated Line Set Design – Heavy gauge steel

Design – Heavy gauge steel

our Circular Air Supply Valves are ideal for low and medium pressure ventilation air conditioning systems

actual front end outer dimensions are approximately 14 5/8" width X 22 5/8" height

+ Product Details Size - 32"w X 4"h is the size for the duct opening measurement only

Experience the difference in quality with our sleek design and hassle-free functionality

20" X 16" Steel Return Air Filter Grille for 1" Filter - Removable Frame - Black - [Outer Dimensions: 22 5/8" X 18 5/8"] Copper Coil-Insulated Line Set Design – Heavy gauge steel+ Product Details Size 20"w X 16"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 22 5 8" width X 18 5 8" height Actual Filter Size 19 3 4"w x 15 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.