Westinghouse 13MINITWIST/50 13W CFL Bulb-(60W Equal) 5000K Cool White 37714 New | eBay
GU24 Light Bulb - CFL 13 w 120 v 60 hz Light Bulb - Compact Fluorescent Lightbulb with Two Prong Base T2 Mini Spiral 4 Pack 4200K Cool White by Mandala Crafts - Walmart.com
Philips Energy Saver 60W Equivalent Daylight Medium Base T2 Spiral CFL – Hemlock Hardware