Compact Fluorescent - Super Mini Spiral - 13 Watt - 900 Lumens - Cool – lightingnbeyond.com
SLEEKLIGHTING 13 Watt Green Spiral CFL Light Bulb- UL Approved- General Purpose Spiral CFL Green Light Bulbs - 120Volt, E26 Medium Base. (Pack of 4) - Amazon.com
Goodlite 13-Watt CFL 60 Watt Replacement 900-Lumen T2 Spiral Light Bulbs 10,000 Hour Life Super White 5000k (Case of 25) - On Sale - Bed Bath & Beyond - 7632270
Compact Fluorescent 13w Mini Twist Red Light Bulb – BulbAmerica
SYLVANIA+CFL+Natural+Daylight+5000k+Bulbs+60+W+Equivalent+Uses+13w+4-pack for sale online | eBay
Longstar 13W Warm White GU24 CFL FE-IISG-13W/27K
4PK 13W T2 DL CFL BULB - Modern Hardware | Modern Hardware
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