5.5 Watt Dual Mode LED CFL Replacement PL Light Bulb 2 Pin GX23 Base – Green Electrical Supply
Bonlux 2-Pack 6W GX23 2-Pin LED PL Retrofit Lamp 13W GX23d CFL Replacement 180° Beam Angle Daylight 6000k LED PL Horizontal Recessed Down Light Bulb (Remove/Bypass The Ballast) - Amazon.com
VIRIBRIGHT Virihome 18-Watt EQ Single tube Soft White G24D-2 Pin Base LED Light Bulb (6-Pack) in the General Purpose Light Bulbs department at Lowes.com
Sylvania 40448 - LED 2-Pin-Base CFL Replacement | LightBulbs.com