Philips 13-Watt Equivalent CFLNI (GX23) 2-Pin Light Bulb Cool White (4100K) 146852 - The Home Depot
Sunlite 00806-SU Mini Spiral CFL Bulb, 13 Watts (60W Equivalent), Medium Base (E26), 900 Lumens, 10,000 Hour Life Span, UL Listed, 50K - Super White 6 Pack - Compact Fluorescent Bulbs - Amazon.com
UNITEDLUX 13 Watt CFL Light Bulb (60 Watt) Soft White 2700K 1040LM Spiral Bulb Medium Base