The Flukerâs Basking Bulb is a top of the line incandescent light bulb that provides essential radiant heat (infrared light) to ensure that ectothermic reptilian pets such as snakes and lizards, can carefully moderate their internal body temperature. These bulbs help to recreate a bright, midday light source, which is essential for preventing chronic infections and diseases in your reptiles. Comes in a 75 watt bulb.