SleekLighting 23 Watt T2 BLACK Light Spiral CFL Light Bulb, blacklight bulbs for parties 120V, E26 Medium Base-Energy Saver (Pack of 2) (2 Pack) 23 Watt (100-Watt Incandescent Equivalent CFL (Compact Fluorescent) BLACK Spiral Light Bulbs E26 Medium Base, 120 Volts, 8,000 hour average bulbs life,23 watt,ultraviolet great for parties Great way to repel insect outdoors, Perfect for party glow in the dark,outdoor 6 Month, NO-HASSLE FREE-REPLACEMENT GUARANTEE . We have the same bulb in 13 Watt, search asin # B00P9IPGDY