Replacement for Philips Pl-s 13w/827/2p Light Bulb by Technical Precision - 13w Compact Fluorescent Light Bulb with GX23 2 Pin Base - Plug in Single Tube CFL T4 - 7.5 Inch - 1 Pack
Replacement for Philips Pl-s 11w/840/4p (4-pin) Light Bulb by Technical Precision - - Amazon.com
10 x Osram 11w Dulux-S Energy Saving G23 Cap 2-PIN - 4000k Cool White - 11W /840