18" X 12" 3-Way AIR SUPPLY GRILLE - DUCT COVER & DIFFUSER - Flat Stamped Face w24h24 875" width X 15

875" width X 15

actual front end outer dimensions are approximately 14 5/8" width X 32 5/8" height -

and smooth surface for years to come

+ Product Details Size – 18"w X 18"h is the size for the duct opening measurement only

18" X 12" 3-Way AIR SUPPLY GRILLE - DUCT COVER & DIFFUSER - Flat Stamped Face w24h24 875" width X 15+ Product Details Size 18"w X 12"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 19. 75" width X 13. 75" height. High Quality High grade steel construction with easy unrestricted air flow for your HVAC system. Installation Location Sidewall & ceiling. Design Multi shutter damper with handle lever for easy opening and closing screws included. Powder Coat Finish Smooth, shiny, scratch resistant,