Sylvania 20303 (10-Pack) CF5DS/841/ECO 5-Watt Single Tube Compact Fluorescent Light Bulb, 4100K, 230 Lumens, 82 CRI, G23 Bi-Pin Base Color/Finish: Cool White Color Temperature: 4,100K Lumens (light output): 230, 82 CRI Average Lifetime: 10,000 Hours G23 Bi-Pin Base