20" X 36" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 22 5/8" X 38 5/8"] Grilles 75" width X 25

75" width X 25

only measure the "hole" in the wall/duct

+ Product Details Size - 22"w X 24"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 16 5/8" width X 10 5/8" height -

20" X 36" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 22 5/8" X 38 5/8"] Grilles 75" width X 25+ Product Details Size 20"w X 36"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 22 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