20" X 25" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 22 5/8" X 27 5/8"] w18h18 + Product Details Size -

+ Product Details Size - 26"w X 24"h is the size for the duct opening measurement only

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

+ Product Details Size - 34"w X 36"h is the size for the duct opening measurement only

+ Product Details Size – 30"w X 24"h is the size for the duct opening measurement only

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20" X 25" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 22 5/8" X 27 5/8"] w18h18 + Product Details Size -+ Product Details Size 22"w X 25"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 24 5 8" width X 27 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