OSRAM DULUX L 18W /71, 18W UV Black Light Compact L replacement bulb for special UV-A applications For applications including insect traps, curing, fluorescence and entertainment ultraviolet effects Wattage: 18W, Shape: Compact DULUX L, Base: 2G11, Average Lifetime: 2000hrs Emits light it both the visible and near ultraviolet range (UV-A) Use in fixtures designed specifically for UV-A applications