55 Watt Long Twin Tube Compact Fluorescent PL Bulb with 4-Pin (2G11) Base, 3500K - FT55DL835ECO
Compact fluorescent lamp - Wikipedia
Compact Fluorescent Twin Tube Light Bulb 2 Pin Base 4100K by Satco Lighting | S6708 | Destination Lighting
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
Amazon.com: GoodBulb 18 Watt CFL Light Bulbs | 2 Pin G24D-2 Base 3000K Warm White | 18W High Output 1200 Lumens | Double Tube Compact Fluorescent Light Bulbs Plug-in | 10 Pack : Tools & Home Improvement