20" X 16" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 22 5/8" X 18 5/8"] Color_Red Oak Wood much more than required 700

much more than required 700 PSI for R410

+ Product Details Size - 28"w X 20"h is the size for the duct opening measurement only

+ Product Details Size - 14"w X 6"h is the size for the duct opening measurement only

+ Product Details Size – 30"w X 6"h is the size for the duct opening measurement only

+ Product Details Size - 18"w X 36"h is the size for the duct opening measurement only

20" X 16" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 22 5/8" X 18 5/8"] Color_Red Oak Wood much more than required 700+ 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. High Quality high quality solid stamped steel with counter sunk screw holes (screws included) and no sharp edges Installation Location Ceiling Design Fixed hinged for easy filter change & cleaning uses a 1" thick filter. Our filter grille latch is easy to use on your fingers and