10" X 10" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 12 5/8" X 12 5/8"] Color_Black + Product Details Size -

+ Product Details Size - 28"w X 18"h is the size for the duct opening measurement only

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+ Product Details Size – 10"w X 24"h is the size for the duct opening measurement only

For a visual guide on how to measure your vent hole before ordering a grille

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

10" X 10" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 12 5/8" X 12 5/8"] Color_Black + Product Details Size -+ Product Details Size 10"w X 10"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 12 5 8" width X 12 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