Sunlite SL9R20/27K 9 Watt R20 Reflector Energy Saving CFL Light Bulb Medium Base Warm White 23-Watt, 1040 Lumens, 80 CRI 100-Watt incandescent equivalent 10,000 hour average lamp life 2700K Color Temperature, Warm White Color, Medium Base SL23R40/27K/D