13/18W Equivalent PL Lamp PLC G24D-2P (2-Pin) LED Light Bulb
T8 LED Tube Lights - 4 ft. -18 Watt - 36W Equivalent
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
Philips LED 417089 Energy Saver Compact Fluorescent T2 Twister (A21 Replacement) Household Light Bulb: 2700-Kelvin, 18-Watt (75-Watt Equivalent), E26 Medium Screw Base, Soft White, 4-Pack - Energy Efficient Light Bulbs - Amazon.com
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
Sunlite 18 Watt Super Mini Spiral, Medium Base, Warm White - Amazon.com