4 bulbs) GE 39289 LED replacement for CFL, 18.5 watts, GX24q base, compatibility with 4 pin CFL sockets - Walmart.com
Simply Conserve Horizontal G24Q Base 12-Watt EQ Single tube Daylight Gx24q-4 Pin Base LED Light Bulb (4-Pack) in the General Purpose LED Light Bulbs department at Lowes.com
Sylvania 9W LED - 26W CFL Equal - GX24q Base - 4100K - Horizontal - 24ct | ProLampSales
TSEXES Gx24q Base LED Bulb,4-Pin Light Bulb,13W PL-C Recessed Lamp Replacement 26W Fluorescent Light Bulb,Daylight 5000K,4-Pack