Just like we need the sun, reptiles need specalized lighting in order to thrive. Without proper lighting, reptiles can become sick and can develop Metabolic Bone Diesease. With our safe and effective ReptiSun lighting, your pet reptile can live a long, healthy life providing years of enjoyment. Zoo Med's linear fluorescent UVB lamps are made in Germany with the highest quality UVB transmitting quartz glass, with beneficial UVB emissions. The UVB emissions from these lamps will help to prevent or reverse metabolic bone disease in captive reptiles.