Luxrite LR20330 (12-Pack) CF26DD/835 26-Watt Double Tube Compact Fluorescent Light Bulb, Natural White, 3500K, 1800 Lumens, G24D-3 Bi-Pin Base Luxrite Compact Fluorescent Light Bulbs meet all your lighting needs while saving you on energy costs. Color/Finish: Natural White, Color Temperature: 3,500K Lumens (light output): 1800 Average Lifetime: 10,000 hours G24D-3 bi-pin base