Philips 18W 4 Pin 2G11 Cool White Long Single Twin Tube CFL Bulb | PL-L 18W/41 (4-Pin) | Bulbs.com
55 Watt Plug-In CFL
Sylvania 55W Long Single Tube 4-Pin 2G11 Plug-In base 3000K fluorescen – BulbAmerica
PL L 2G11 Base Energy Saving Tube H 18W 24W 36W 40W 55W Fluorescent Lamp 4 Pins Twin Tube Energy saving Light Bulb White Yellow|Energy Saving & Fluorescent| - AliExpress