50" X 20" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 52 5/8" X 22 5/8"] Aluminum Bar with actual outer dimensions of

with actual outer dimensions of 20

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

+ Product Details Size - 18"w X 18"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 27 5/8" width X 18 5/8" height

50" X 20" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 52 5/8" X 22 5/8"] Aluminum Bar with actual outer dimensions of+ Product Details Size 50"w X 20"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 52 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 Sidewall & ceiling Design removable frame for easy filter change & cleaning uses a 1" thick filter. Our filter grille latch is easy to use on your