Sunlite SL23R40/27K/D SL23R40/27K/D 23-watt R40 Reflector Energy Saving Medium Base CFL Light Bulb, Warm White 23 Watts, 1040 Lumens, 80 CRI 100-Watt incandescent equivalent 10,000 hours average lamp life 2700K Color Temperature, Warm White Color, Medium Base SL23R40/27K/D