SleekLighting 13 Watt Spiral CFL Black Bug Light Bulb, 120Volt, E26 Medium Base. (Pack of 2) (2 Pack) CFL (Compact Fluorescent) BLACK 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 # B00X7VUAJA 6 Month, NO-HASSLE FREE-REPLACEMENT GUARANTEE