SLEEKLIGHTING - 13Watt GU24 Base 2 prong light bulbs- UL approved-120v 60Hz - Mini Twist Lock Spiral -Self Ballasted CFL Two Pin Fluorescent Bulbs- 4200K 900lm Cool White 4pack (60Watt Equivalent) - Amazon.com
EiKO Medium Base Self-Ballasted CFLi Lamp (23W, 120 VAC)
T2 Spiral CFL Light Bulbs
Utilitech Compact Fluorescent Bulb 60-Watt EQ Soft White Medium Base (E-26) Cfl Light Bulb (4-Pack) in the General Purpose Light Bulbs department at Lowes.com