Zoo Med Desert UVB Lighting Combo comes with a Deep Dome Lamp Fixture and Reptisun UVB mini compact fluorescent. Best used with Reptile Terrariums and Zoo Med's Reptile Lamp Stand for maximum safety. The Deep Dome Lamp fixture features an extra long reflector dome that extends beyond the face of the lamp, preventing the lamp from sticking out. It is perfect for use with Zoo Meds PowerSun UV lamps and ReptiSun UVB Compact Fluorescent lamps. The highly polished aluminum inside the dome greatly increases UVB & UVA output. ReptiSun 10.0 is perfect for all desert and basking reptiles! 10% 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 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 help prevent or reverse metabolic bone disease and UVA increases feeding, mating, and other natural behaviors. Comes with Deep Dome Lamp Fixture and Reptisun UVM mini compact fluorescent. Deep Dome extends beyond the face of the lamp, preventing the lamp from extending outside the face of the dome. For use with lamps up to 160 watts. Polished aluminum dome for maximum light and heat output. ReptiSun UVB help prevent metabolic bone disease ReptiSun UVA increases feeding, mating, and other natural behaviors.