Feit Electric 26-Watt Equivalent PL Tritube CFLNI 4-Pin Plug-In GX24Q-3 Base CFL Replacement LED Light Bulb, Cool White 4100K (1-Bulb) BPPLT26E841LEDG2HDRP - The Home Depot
Simply Conserve G24Q/GX24Q horizontal PL 12-Watt EQ Single tube Cool White GX24Q-4 Pin Base LED Light Bulb (20-Pack) in the General Purpose Light Bulbs department at Lowes.com
Bonlux 12W LED GX24Q 4-pin Base Light Bulb 26W CFL/Compact Fluorescent Replacement GX24/G24Q LED PL Retrofit Lamp Daylight 6000k 360 Degree Beam Angle (2-Pack, Remove/Bypass The Ballast) - Amazon.com
2G7 LED PL Retrofit Lamp for 4 Pin CFL Bulbs - Replaces 7-9 Watt- 2G7 Base