Below you can find our range of Insectucutor PLS blacklights, these lamps range from 9-11 watt and are used for insect traps and fly killers (insectocutor units). They are also used in other applications including industrial processes and special effects. Blacklight lamps differ from standard fluorescent lamps only in the composition of the phosphur which radiates most of its energy in the near ultraviolet region, peaking at about 350 nanometers.