18" X 12" 3-Way AIR SUPPLY GRILLE - DUCT COVER & DIFFUSER - Flat Stamped Face Powder-Coat + Product Details Size -

+ Product Details Size - 12"w X 10"h is the size for the duct opening measurement only

Whether replacing an old register or installing a new vent

Effortless Integration: Crafted for easy connection to supply grilles of drop ceiling T-Bar vent covers

Design – rigid gauge built for durability and long life in mind

18" X 12" 3-Way AIR SUPPLY GRILLE - DUCT COVER & DIFFUSER - Flat Stamped Face Powder-Coat + Product Details Size -+ 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,