24" X 20" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 26 5/8" X 22 5/8"] w12h12 + Product Details Size -

+ Product Details Size - 24"w X 36"h is the size for the duct opening measurement only

please note that the total outer dimensions of the grille measure 8" in diameter

+ Product Details Size - 28"w X 6"h is the size for the duct opening measurement only

1-1/8" - 2334 PSI

Each grille is carefully packaged with cardboard backing to prevent damage during shipment

24" X 20" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 26 5/8" X 22 5/8"] w12h12 + Product Details Size -+ Product Details Size 24"w X 20"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 26 5 8" width X 22 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