20" X 40" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 22 5/8" X 42 5/8"] w28h28 + Product Details Size -

+ Product Details Size - The listed 4" diameter refers specifically to the size of the duct opening

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Design – Premium plated finish and modern contempo design forming a luxurious & impressive piece for your home

If you are looking to enhance your project with a top-of-the-line unit

20" X 40" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 22 5/8" X 42 5/8"] w28h28 + Product Details Size -+ Product Details Size 20"w X 40"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 22 5 8" width X 42 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