A 15 watt fluorescent light that will penetrate up to 12 inches from the
bulb's surface. In most other reptile bulbs, the UVB completely dissipates at 3
inches to 4 inches from the bulb's surface. It helps to prevent or reverse
Metabolic Bone Disease commonly seen in captive lizards at 6 to 12 months of
age. Shipping weight: 3/4 lb.