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
DYSMIO 13 Watt CFL Light Bulbs 2 Pin GX23-2 Base 4100K Cool White 13W High Output 800 Lumens Double Tube Compact Fluorescent Light Bulbs Plug-in 4 Pack - Amazon.com
3 Pkgs Sylvania 13w GX23-2, 2-pin Base Soft White Bulb 4.5” Length New | eBay
Feit Electric 13-Watt Equivalent PL CFLNI Twin Tube 2-Pin GX23 Base Compact Fluorescent CFL Light Bulb, Soft White 2700K (1-Bulb) BPPL13/HDRP - The Home Depot
Circle (2 Pack) PL-13W 835, 2 Pin GX23, 13 Watt Single U-Shaped Twin Tube, Compact Fluorescent Light Bulb, Replaces Philips PLS13W35 GX23 and Sylvania CF13DS835 GX23 - Amazon.com
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
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