Feit Electric 300-Watt Equivalent CFLNI Quad Tube E26 Base with Mogul Base Adapter Non-Dimmable CFL Light Bulb, Daylight 6500K PLF65/65/G2 - The Home Depot
A Guide To Compact Fluorescent Lamps (CFL) & Fluorescent Tubes - The Lightbulb Co. UK
Feit Electric 13-Watt Equivalent PL CFLNI Twin Tube 2-Pin GX23 Base Compact Fluorescent CFL Light Bulb, Cool White 4100K (1-Bulb) BPPL13/41/HDRP - The Home Depot