Amazon.com: GoodBulb 13 Watt CFL Light Bulbs | 2 Pin GX23 Base 5000K Daylight | 13W High Output 800 Lumens | Single Tube Compact Fluorescent Light Bulbs Plug-in | 10 Pack : Tools & Home Improvement
Amazon.com: GoodBulb 18 Watt CFL Light Bulbs | 2 Pin G24D-2 Base 4100K Cool White | 18W High Output 1200 Lumens | Double Tube Compact Fluorescent Light Bulbs Plug-in | 10 Pack : Tools & Home Improvement
Feit Electric 13-Watt Equivalent PL CFLNI Quad Tube 2-Pin GX23-2 Base Compact Fluorescent CFL Light Bulb, Cool White 4100K (1-Bulb) BPPLD13/41/HDRP - The Home Depot
40W E27 UV Ultraviolet Fluorescent Light Bulb CFL Lamp Back Light Low Energy | eBay
SYLVANIA 60-Watt EQ T3 Soft White Medium Base (E-26) Cfl Light Bulb (6-Pack) in the General Purpose Light Bulbs department at Lowes.com