26" X 14" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 28 5/8" X 16 5/8"] w20h20 + Product Details Size –

+ Product Details Size – 4"w X 12"h is the size for the duct opening measurement only

[Outer Dimensions: 14

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Designed for a 1" thick filter

+ Product Details Size - 34"w X 12"h is the size for the duct opening measurement only

26" X 14" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 28 5/8" X 16 5/8"] w20h20 + Product Details Size –+ Product Details Size 26"w X 14"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 28 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