Sunlite SL23/27K/D 23 Watt Dimmable Spiral Energy Saving CFL Light Bulb Medium Warm White 23-Watt, 1600 Lumens, 80 CRI 100-Watt incandescent equivalent 10,000 hour average lamp life Dimmable 2700K Color Temperature, Warm White Color, Medium Base SL23/27K/D