Sylvania 20329 (4-Pack) CF9DS/827/ECO 9-Watt Single Tube Compact Fluorescent Light Bulb, 2700K, 580 Lumens, 82 CRI, T4 Shape, G23 Bi-Pin Base Color/Finish: Warm White Color Temperature: 2,700K Lumens (light output): 580, 82 CRI Average Lifetime: 10,000 Hours G23 Bi-Pin Base