50" X 20" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 52 5/8" X 22 5/8"] w10h10 + Product Details Size -

+ Product Details Size - 4"w X 26"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 21

+ Product Description Maximize the efficiency of your ventilation system with our top-of-the-line HVAC grilles and registers

actual front end outer dimensions are approximately 20 5/8" width X 12 5/8" height

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50" X 20" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 52 5/8" X 22 5/8"] w10h10 + 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