USHIO Compact Fluorescent Light Bulb 3000143 18W DE/3500K Four Pin G24Q-2 Base | eBay
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
USHIO Compact Fluorescent Light Bulb 3000143 18W DE/3500K Four Pin G24Q-2 Base | eBay
Feit Electric 13W/18W/26W Equivalent PL Vertical 4-Pin Universal Base G24Q /GX24Q-1/-2/-3 with CCT Select LED Light Bulb(4-Pack) PL26AVCCT/LED/HDRP/4 - The Home Depot
Amazon.com: GoodBulb 18 Watt CFL Light Bulbs | 4 Pin G24Q-2 Base 2700K Soft White | 18W High Output 1200 Lumens | Double Tube Compact Fluorescent Light Bulbs Plug-in | 10 Pack : Tools & Home Improvement