Zoo Med ReptiSun 10.0 UVB T8, 48-Inch, Reptile Habitat Fluorescent Lighting for Larger Terrarium

Emits UVB a full 20 inch from the surface of the lamp to prevent or reverse metabolic bone disease (compared to 12-inch on the ReptiSun 5.0). This Zoo Med ReptiSun 10.0 UVB T8, 48-Inch, Reptile Habitat Lighting is ideal for optimal use with larger terrariums where greater than 12 inches of UVB penetration is needed. The ReptiSun 10.0 is also recommended for use above screen covers, which can filter out up to 50 percent of the UVB wavelengths.