Zoo Med ReptiSun 10.0 UVB Replacement Bulb For Reptile - 18 Watts T8 - 24" Bulb
A compact fluorescent bulb, The ReptiSun 10.0 will produce significant UVB rays at up to 20" away from your reptile, making the 10% bulb more suitable for larger vivariums. Reptile Lighting. Reptile Heating.