Amazon.com: GoodBulb 13 Watt CFL Light Bulbs | 4 Pin G24Q-1 Base 4100K Cool White | 13W High Output 900 Lumens | Double Tube Compact Fluorescent Light Bulbs Plug-in | 10 Pack : Tools & Home Improvement
GE 32W 4 Pin GX24q3 Cool White Triple Twin Tube CFL Bulb | F32TBX/841/A/ECO (4-Pin) | Bulbs.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
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