PRODUCT DESCRIPTIONThe Sapphire Series is an architectural grade LED high lumen downlight.The Sapphire Series features deep cone reflectors and dimmable LEDs.Cree LEDs and Cree LED Drivers make for a solid, complete, fully testedpackage. The reflectors have been designed for the high efficiency(LPW) while providing low aperture brightness. The Commercial andArchitectural Sapphire Series is proudly assembled in the USA.ConstructionDeep cone self flanged reflector spun from 0.050 high grade aluminumprovides even illumination and visual comfort. The deep cone reflectorsprovide 55+ degree cut-off. NC-638 includes 3 stud mounted in flangefor attaching decorative glass. Decorative glass will reduce the amount ofusable light by 10 to 30% depending on the selected glass.