14" x 8" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Compatible With Duct 8in providing comfort and control Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

providing comfort and control

+ Product Details Size - 28"w X 34"h is the size for the duct opening measurement only

+ Product Details Size – 32"w X 32"h is the size for the duct opening measurement only

+ Product Details Size – 12"w X 24"h is the size for the duct opening measurement only

+ Product Details Perfect Fit & Easy Sizing - Designed for a 18" x 20" OR 20" x 18" duct opening (measured at the opening)

14" x 8" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Compatible With Duct 8in providing comfort and control Compatible With Duct 7in Applications This sheet metal DDAG A 1212 providing comfort and control + Product Details Size 28"w X 34"h is the size for the duct opening measurement only