GE CURRENT Plug-In CFL Bulb, T4, 4-Pin (GX24Q-1), Lumens 755 lm, Dimmable Yes, Watts 13 W - 1PGZ1|F13TBX/835/A/ECO - Grainger
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