16" X 16" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 18 5/8" X 18 5/8"] Aluminum - Cube Core + Product Details Size –

+ Product Details Size – 20"w X 14"h is the size for the duct opening measurement only

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

+ Product Details

+Product Details Size – 2"h x 12"w is the size for the duct opening measurement only

16" X 16" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 18 5/8" X 18 5/8"] Aluminum - Cube Core + Product Details Size –+ Product Details Size 16"w X 16"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 18 5 8" width X 18 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