Luxrite LR20355 CF18DD/E/827 18-Watt Double Tube Compact Fluorescent Light Bulb, Warm White, 2700K, 1200 Lumens, 4-Pin G24Q-2 Base, 1-Pack Luxrite Compact Fluorescent Light Bulbs meet all your lighting needs while saving you on energy costs. Color/Finish: Warm White, Color Temperature: 2,700K Lumens (light output): 1200 Average Lifetime: 10,000 hours 4-Pin G24Q-2 Base