Simply Conserve G24Q/GX24Q Vertical PL 18-Watt EQ Single tube Daylight GX24Q-4 Pin Base LED Light Bulb (4-Pack) in the General Purpose Light Bulbs department at Lowes.com
Feit Electric 13-Watt Equivalent PL CFLNI Quad Tube 4-Pin G24Q-1 Base Compact Fluorescent CFL Light Bulb, Cool White 4100K (1-Bulb) BPPLD13E/41/HDRP - The Home Depot
Feit Electric 18-Watt Equivalent PL CFLNI Quad Tube 4-Pin G24Q-2 Base Compact Fluorescent CFL Light Bulb, Soft White 2700K (1-Bulb) BPPLD18E/HDRP - The Home Depot
GE 32W 4 Pin GX24q3 Cool White Triple Twin Tube CFL Bulb | F32TBX/841/A/ECO (4-Pin) | Bulbs.com
2Pk - 4-Pin S14 LED RGBW Replacement Bulbs String for Satco Starfish I – BulbAmerica
ASL Spiral 18W 4 Pin Light Bulb, SC18/E/2700K CRI 82 Warm White #G24q-2 Lot Of 2 | eBay
26 Watt CFL Light Bulbs | 4 Pin G24Q-3 Base 4100K Cool White | 26W High Output 1800 Lumens | Double Tube Compact Fluorescent Light Bulbs Plug-in | 10 Pack by GoodBulb - Walmart.com
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
LED PL Lamps, 26W, Horizontal Recessed, GX24Q-3 Base 4-Pin, 4100K