18" X 20" Steel Return Air Filter Grille for 1" Filter - Fixed HInged - [Outer Dimensions: 20 5/8" X 22 5/8"] Grille + Product Details Size -

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

High Quality – high quality solid stamped steel with counter-sunk screw holes (screws included) and no sharp edges

The powder-coated finish ensures a sleek look while protecting the grille from wear and tear

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During summer

18" X 20" Steel Return Air Filter Grille for 1" Filter - Fixed HInged - [Outer Dimensions: 20 5/8" X 22 5/8"] Grille + Product Details Size -+ Product Details Size 18"w X 20"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 20 5 8" width X 22 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