Zoo Med ReptiSun 10.0 T8-HO UVB Fluorescent Reptile Lamp, 24-in

10% UVB, helps to prevent or reverse metabolic bone disease 30% UVA, helps to increase activity levels, appetite, and reproductive behavior High quality German bulb Optimal for use with larger terrariums because of it's increased size Can be placed above screen covers The Zoo Med ReptiSun 10.0 T8-HO UVB Fluorescent Reptile Lamp linear fluorescent bulb emits UVB a full 20"/51cm from the surface of the lamp to prevent or reverse metabolic bone disease. (Compared to 12"/30cm on the T8 ReptiSun 5.0). Optimal for use with larger terrariums where greater than 12% of UVB penetration is needed. The T8 ReptiSun 10.0 is also recommended for use above screen covers which can filter out up to 50% of the UVB wavelengths.