Simply Conserve G24Q/GX24Q horizontal PL 18-Watt EQ Single tube Daylight GX24Q-4 Pin Base LED Light Bulb (20-Pack) in the General Purpose Light Bulbs department at Lowes.com
Feit Electric 26-Watt Equivalent PL QuadTube CFLNI 4-Pin Plugin G24Q-3 Base CFL Replacement LED Light Bulb, Cool White 4100K (1-Bulb) BPPLD26E841LEDG2HDRP - The Home Depot
CURRENT, 4-Pin (G24q-3), BR25, LED Bulb - 460U49|LED9G24Q-V/827 - Grainger
Lustaled Gx24 4-Pin Base LED Bulb, 12W G24q PL-C Horizontal Recessed Light 26W CFL Lamp Equivalent for Kitchen Light Pendant Lamp Dining Room, Warm White 3000K, 4-Pack (Remove/Bypass The Ballast) - Amazon.com
8.5-Watt G24Q (4-Pin) CFL Replacement LED Light Bulb Horizontal Applications Only
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
Feit Electric 26-Watt Equivalent PL Quad Tube CFLNI 4-Pin Plugin G24Q-3 Base CFL Replacement LED Light Bulb, Cool White 4100K (6-Pack) BPPLD26E841LEDG2HDR6 - The Home Depot