16" X 14" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 18 5/8" X 16 5/8"] w18h18 + Product Details Size -

+ Product Details Size - 28"w X 10"h is the size for the duct opening measurement only

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this model ensures top-notch air quality

+ Product Details Size - 16"w X 18"h is the size for the duct opening measurement only

the actual front end outer dimensions are 8" in diameter

16" X 14" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 18 5/8" X 16 5/8"] w18h18 + Product Details Size -+ Product Details Size 16"w X 14"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 18 5 8" width X 16 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