Feit Electric 13-Watt Equivalent PL CFLNI Quad Tube 4-Pin G24Q-1 Base Compact Fluorescent CFL Light Bulb, Cool White 4100K (1-Bulb) BPPLD13E/41/HDRP - The Home Depot
DYSMIO 13 Watt CFL Light Bulbs 2 Pin GX23 Base 2700K Soft White 13W High Output 800 Lumens Single Tube Compact Fluorescent Light Bulbs Plug-in 4 Pack - Amazon.com