36" X 6" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 38 5/8" X 8 5/8"] 18" Round Duct Pipe making it a reliable choice

making it a reliable choice for improving indoor air quality

actual front end outer dimensions are approximately 30 5/8" width X 32 5/8" height

+ Product Details Size - 34"w X 22"h is the size for the duct opening measurement only

+ Product Details Size – 14"w X 24"h is the size for the duct opening measurement only

85" width X 25

36" X 6" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 38 5/8" X 8 5/8"] 18" Round Duct Pipe making it a reliable choice+ Product Details Size 36"w X 6"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 38 5 8" width X 8 5 8" height Actual Filter Size 35 3 4"w x 5 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