18" X 8" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 20 5/8" X 10 5/8"] 18" Diameter } /* Added styles for

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+ Product Details Size – 8"w X 14"h is the size for the duct opening measurement only

this coil exceeds the required 700 PSI for R410 with a pressure rating of 2300 to 6500 PSI

875" width X 25

18" X 8" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 20 5/8" X 10 5/8"] 18" Diameter } /* Added styles for+ Product Details Size 18"w X 8"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 20 5 8" width X 10 5 8" height Actual Filter Size 17 3 4"w x 7 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. Our