20" X 36" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 22 5/8" X 38 5/8"] w32h32 + Product Details Size - 4 X 12 Is CRFG2028 Width_14in
Yard notes & kiln story
Description
20" X 36" Steel Return Air Filter Grille for 1" Filter Removable Frame [Outer Dimensions: 22 5 8" X 38 5 8"] w32h32 + Product Details Size 4 X 12 Is CRFG2028 Width_14in + Product Details Size 14"w X 14"h is the size for the duct opening measurement only & EN 13180 standards