Luxrite LR20280 (2-Pack) CF13DS/827 13-Watt Single Tube Compact Fluorescent Light Bulb, Warm White 2700K, 825 Lumens, GX23 Bi-Pin Base 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): 825 Average Lifetime: 10,000 hours 2-Pin GX23 Base