26" X 8" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 28 5/8" X 10 5/8"] w36h36 or just adding updated elements const content item 1-Way CRFG3630

or just adding updated elements to your current home

+ Product Details Size – 24"w X 16"h is the size for the duct opening measurement only

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

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

If your hole is 14" wide by 20" tall

26" X 8" Steel Return Air Filter Grille for 1" Filter Removable Frame [Outer Dimensions: 28 5 8" X 10 5 8"] w36h36 or just adding updated elements const content item 1 Way CRFG3630 or just adding updated elements to your current home + Product Details Size – 24"w X 16"h is the size for the duct opening measurement only