Zoo Med ReptiSun 10.0 UVB Desert Compact Fluorescent Lamp Regular White 26 WattReptiSun 10. 0 Perfect for all desert and basking reptiles! 10% UVB Output, 30% UVA Output, FULL SPECTRUMThe new ReptiSun Compact Fluorescent lamps use a special UVB transmitting quartz glass for maximum UVB penetration. Cool burning compact fluorescent bulbs screw into standard threaded sockets, eliminating the need for a separate ballast. Lamp can be oriented either vertically or horizontally in your reptile hood or clamp lamp fixture. UVB emissions