Komodo Fluorescent T8 Bulb UVB Tube 10%. This 10% UVB fluorescent tube is suitable for desert reptile species. It provides full spectrum day-time light, ideal for reptiles requiring high levels of UVB. The bulb has high UVA output to support vision, appetite, and the immune system. Its linear design distributes light widely and evenly. A tube controller/ballast is required for operation. Specification: 10% UVB, 10W, Edison screw fitting (ES), 35cm/14” length.