20" X 30" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 22 5/8" X 32 5/8"] w18h18 + Product Details Size -

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

How To Measure A Grille

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

+ Product Description Check out one of our most attractive and stylish grills

20" X 30" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 22 5/8" X 32 5/8"] w18h18 + Product Details Size -+ Product Details Size 20"w X 30"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 22 5 8" width X 32 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