20" X 16" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 22 5/8" X 18 5/8"] flat stamped steel + Product Details Size – 4 X 12 Is CRFG2028 Width_14in
Yard notes & kiln story
Description
20" X 16" Steel Return Air Filter Grille for 1" Filter Removable Frame [Outer Dimensions: 22 5 8" X 18 5 8"] flat stamped steel + Product Details Size – 4 X 12 Is CRFG2028 Width_14in + Product Details Size – 12"w X 4"h is the size for the duct opening measurement only actual front end outer dimensions are approximately 38 5 8" width X 16 5 8" height