Utilitech Energy saving CFL 100-Watt EQ Soft White Medium Base (E-26) Cfl Light Bulb (4-Pack) in the General Purpose Light Bulbs department at Lowes.com
Westinghouse Lighting 3791900 42 Watt Twist CFL Daylight High Wattage Light Bulb with Medium Base - Compact Fluorescent Bulbs - Amazon.com
GE Lighting 77124 Energy Smart CFL 3-way 13/19/26-Watt (100-watt replacement) 600/1150/1750-Lumen T3 Spiral Light Bulb with Medium Base, 1-Pack, 26W=100W, 600/1150/1750-Lumens - Compact Fluorescent Bulbs - Amazon.com
Light Bulb Shape Guide: Spiral CFLs — 1000Bulbs Blog
12/20/26 Watt 3 Way Compact Fluorescent Light Bulb 2700K – Green Electrical Supply