36" X 20" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 38 5/8" X 22 5/8"] w28h28 + Product Details Size -

+ Product Details Size - 25"w X 26"h is the size for the duct opening measurement only

+ Product Details Perfect Fit & Easy Sizing - Designed for a 14" x 25" OR 25" X 14" duct opening (measured at the opening)

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Actual Filter Size – 11 3/4"w x 23 3/4" x 1"

36" X 20" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 38 5/8" X 22 5/8"] w28h28 + Product Details Size -+ Product Details Size 36"w X 20"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 38 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