16" X 25" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 18 5/8" X 27 5/8"] Black /* Adding space between bullet

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+ Product Details Size - 10"w X 6"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 18 5/8" width X 12 5/8" height

Complies with industry standards of USA: ASTM D-882

16" X 25" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 18 5/8" X 27 5/8"] Black /* Adding space between bullet+ Product Details Size 16"w X 25"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 18 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