32" X 6" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 34 5/8" X 8 5/8"] Color_Aluminum R value rating of insulation

R value rating of insulation - r3

+ Product Details Size - 12"w X 34"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 27 5/8" width X 8 5/8" height

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

32" X 6" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 34 5/8" X 8 5/8"] Color_Aluminum R value rating of insulation+ Product Details Size 32"w X 6"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 34 5 8" width X 8 5 8" height Actual Filter Size 31 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