Zoo Med ReptiSun 5.0 UVB Tropical Compact Fluorescent Lamp Regular White 26 WattReptiSun 5. 0 Perfect for all tropical species of reptiles and amphibians! 5% UVB Output, 30% UVA Output, FULL SPECTRUM. The new ReptiSun Compact Fluorescent lamps use a special UVB transmitting quartz glass for maximum UVB penetration. Cool burningcompact fluorescent bulbs screw into standard threaded sockets, eliminating the need for a separate ballast. Lamp can be oriented eithervertically or horizontally in your reptile hood or clamp lamp fixture.