SleekLighting 13 Watt Yellow Bug Light Spiral CFL Light Bulb 120Volt, E26 Medium Base. (Pack of 2) (2 Pack) CFL (Compact Fluorescent) YELLOW Spiral Light Bulbs 13 Watt (60-Watt Incandescent Equivalent) E26 Medium Base, 120 Volts, 8,000 hour average bulb life We have this item in 23 Watt too, search asin #B00X7VOI2K 6 Month, NO-HASSLE FREE-REPLACEMENT GUARANTEE