14" X 14" Steel Return Air Filter Grille for 1" Filter - Removable Frame - * Filter Included * [Outer Dimensions: 16 5/8" X 16 5/8"] 18in diameter providing the flexibility to match 4 X 12 Is CRFG2028 Width_14in
Yard notes & kiln story
Description
14" X 14" Steel Return Air Filter Grille for 1" Filter Removable Frame * Filter Included * [Outer Dimensions: 16 5 8" X 16 5 8"] 18in diameter providing the flexibility to match 4 X 12 Is CRFG2028 Width_14in providing the flexibility to match specific ventilation requirements or personal comfort levels + Product Details Size – 25"w X 16"h is the size for the duct opening measurement only