50" X 20" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 52 5/8" X 22 5/8"] w26h26 + Product Details Size -

+ Product Details Size - 18"w X 36"h is the size for the duct opening measurement only

+ Product Spec Sheet Floor Register Spec Sheet

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+ Product Details Size - 30"w X 36"h is the size for the duct opening measurement only

+ Product Details Size - 8"w X 20"h is the size for the duct opening measurement only

50" X 20" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 52 5/8" X 22 5/8"] w26h26 + Product Details Size -+ Product Details Size 50"w X 20"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 52 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 Sidewall & ceiling Design removable frame for easy filter change & cleaning uses a 1" thick filter. Our filter grille latch is easy to use on your