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
Case of 10) Philips 138446 - PL-L 55W/950/4P - 55 Watt CFL Light Bulb - Compact Fluorescent - 4 Pin 2G11 Base - 5300K - - - Amazon.com