24" X 20" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 26 5/8" X 22 5/8"] w12h12 the gap will expand and

the gap will expand and retract to meet perfect air supply needed

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

+ Product Details Size - 14"w X 4"h is the size for the duct opening measurement only

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

24" X 20" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 26 5/8" X 22 5/8"] w12h12 the gap will expand and+ 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