18" x 28" or 28" x 18" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Color_Aluminum + Product Details Size - 4 X 12 Is CRFG2028 Width_14in
Yard notes & kiln story
Description
18" x 28" or 28" x 18" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Color_Aluminum + Product Details Size 4 X 12 Is CRFG2028 Width_14in + Product Details Size 32"w X 26"h is the size for the duct opening measurement only + Product Details Perfect Fit & Easy Sizing Designed for a 30" x 26" OR 26" x 30" duct opening (measured at the opening)