Feit Electric 13-Watt Equivalent PL Twintube CFLNI Bi-Pin Plug-In GX23 Base CFL Replacement LED Light Bulb, Cool White 4100K (1-Bulb) BPPL13/841/LEDG2HDRP - The Home Depot
Feit Electric 13-Watt Equivalent PL Quad Tube CFLNI 4-Pin Plugin G24Q-1 Base CFL Replacement LED Light Bulb, Cool White 4100K (1-Bulb) BPPLD13E841LEDG2HDRP - The Home Depot
EiKO LED 13W Litespan Direct CFL Replacement 4-Pin Vertical Lamp
TOPSTAR 5.5W LED Upgrade for 13W PL13 2-Pin CFL GX23 Base 120-277V 4000K Cool White PLSGX23-840-5P5-P2-HB (Box of 6 Lamps) - Amazon.com
Plug&Play] Legental 6w(13w CFL Equivalent) LED Stick PL Bulb GX23-2 Pin Base, 600LM, Daylight(4000k), Driven by 120-277V and CFL Ballast, UL Classified, 2 Pack - Amazon.com
Satco S9300 13W/V/LED/CFL/827/4P S9300 LED CFL Replacement Pin Based Bulb
Ge 2pk 13w 75w Equivalent Basic Led Light Bulbs Soft White : Target
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
Light Efficient Design 7W LED - 13W CFL Equal - G23-2 Base - 3500K - Horizontal - 10ct