24" X 36" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 26 5/8" X 38 5/8"] fixed bar rated at R3

rated at R3

+ Product Details Size - 10"w X 10"h is the size for the duct opening measurement only

+ Product Details Size – 16"w X 12"h is the size for the duct opening measurement only

+ Product Details Size - 25"w X 22"h is the size for the duct opening measurement only

making maintenance quick and hassle-free

24" X 36" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 26 5/8" X 38 5/8"] fixed bar rated at R3+ Product Details Size 24"w X 36"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 26 5 8" width X 38 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