File:06 Spiral CFL Bulb 2010-03-08 (white back).jpg - Wikipedia
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
Satco 40-watt T4 Tube CFL Spiral Bulb - Spiral - White - 40 W - 120 V AC - E26 - 1 Each - Madill - The Office Company
Globe Electric A21 E26 Base Clear Dimmable Spiral Filament Electric Light Bulb, 40W | Canadian Tire
Satco 15-watt A19 CFL Bulb - 15 W - 120 V AC - Spiral - A19 Size - White Light Color - E26 Base - 10000 Hour - 4400.3°F (2426.8°C) Color Temperature - 82 CRI - Energy Saver - 1 Each
CLA 15w E27 Mini Spiral CFL 2700K Warm White - Galaxy Lighting & Fans