VIRIBRIGHT Virihome 18-Watt EQ Single tube Soft White G24d-2 Pin Base LED Light Bulb (6-Pack) in the General Purpose LED Light Bulbs department at Lowes.com
LED PL/CFL Direct Wire Retrofit for 2 or 4-Pin CFL Bulbs - Choose Your Retrofit Options
Amazon.com: GoodBulb 18 Watt CFL Light Bulbs | 2 Pin G24D-2 Base 2700K Soft White | 18W High Output 1200 Lumens | Double Tube Compact Fluorescent Light Bulbs Plug-in | 10 Pack : Tools & Home Improvement