Philips 261229 - PL-S 11W/840/4P Single Tube 4 Pin Base Compact Fluorescent Light Bulb
Philips Master 11W PL-S 11W/840 2P Cool White, 2 Pin Single Tube, 10000 Hours, 11 W : Amazon.co.uk: Lighting
Pack of 4) 13-Watt Single Tube 2 Pin GX23 (See Photos) Base - 3500K Neutral White 35K CFL Light Bulb - Replacement for Sylvania 20335/21137 CF13DS/835- Philips 146845 PL-S 13W/835 GE 97569F13BX/835 - - Amazon.com
PL-S, PL-C, PL-T, PL-L, PL-F & 2D CFL Lamps 2 or 4 Pin Biax D, Dulux SE, Lynx DE | eBay
Osram 11w Dulux-S Energy Saving G23 Cap 2-PIN - 4000k Cool White - 11W/840