14" X 26" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 16 5/8" X 28 5/8"] w8h8 the actual front end outer

the actual front end outer dimensions are 8" in diameter

so you are not left with much waste

+ Product Details Size - 12"w X 14"h is the size for the duct opening measurement only

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14" X 26" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 16 5/8" X 28 5/8"] w8h8 the actual front end outer+ Product Details Size 14"w X 26"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 16 5 8" width X 28 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