Feit Electric 7-Watt Equivalent PL CFLNI Twin Tube 2-Pin G23 Base Compact Fluorescent CFL Light Bulb, Soft White 2700K (1-Bulb) BPPL7/HDRP - The Home Depot
Slim Cluster LED Bulb 7 Watt 4000K 4-Pin 120/277 Volt - Ballast Compatible - LED Lighting Space
2 Pin PL LED Lamp - Replaces 7-9 Watt- G23 Base Lamps - Ballast Compatible or Bypass,