12"W X 14"H [Duct Opening] ALUMINUM RETURN GRILLE - EASY AIR FLOW - LINEAR BAR GRILLES [OUTER DIMENSIONS: 13.875"W X 15.875"H] d description-text { font-family: Arial Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

description-text { font-family: Arial

+ Product Details Perfect Fit & Easy Sizing - Designed for a 6" x 36" or 36" x 6" duct opening (measured at the opening)

+ Product Details Perfect Fit & Easy Sizing - Designed for a 6" x 6" duct opening (measured at the opening)

this register is built to perform and look great for years to come

+ Product Details Size – 28"w X 20"h is the size for the duct opening measurement only

12"W X 14"H [Duct Opening] ALUMINUM RETURN GRILLE EASY AIR FLOW LINEAR BAR GRILLES [OUTER DIMENSIONS: 13.875"W X 15.875"H] d description text { font family: Arial Compatible With Duct 7in Applications This sheet metal DDAG A 1212 description text { font family: Arial + Product Details Perfect Fit & Easy Sizing Designed for a 6" x 36" or 36" x 6" duct opening (measured at the opening)