18" X 20" Steel Return Air Filter Grille for 1" Filter - Fixed HInged - [Outer Dimensions: 20 5/8" X 22 5/8"] w28h28 actual front end outer dimensions

actual front end outer dimensions are approximately 32 5/8" width X 12 5/8" height -

actual front end outer dimensions are approximately 26

actual front end outer dimensions are approximately 18 5/8" width X 14 5/8" height -

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actual front end outer dimensions are approximately 22 5/8" width X 12 5/8" height

18" X 20" Steel Return Air Filter Grille for 1" Filter - Fixed HInged - [Outer Dimensions: 20 5/8" X 22 5/8"] w28h28 actual front end outer dimensions+ Product Details Size 18"w X 20"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 20 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