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
Westinghouse 06125 F5TT/41 Single Tube 2 Pin Base Compact Fluorescent — LightStoreUSA
Damar 24934 - F9TT/865/G23/ECO Single Tube 2 Pin Base Compact Fluorescent Light Bulb: Amazon.com: Tools & Home Improvement
Circle (2 Pack) PL-13W 827, 2 Pin GX23, 13 Watt Single U-Shaped Twin Tube, Compact Fluorescent Light Bulb, Replaces Philips PLS13W27 GX23 and Sylvania CF13DS827 GX23 - Amazon.com