Sunlite SL13/E/GU24/27K 13 Watt Spiral Energy Star Certified CFL Light Bulb GU24 Base Warm White 13-Watt, 900 Lumens, 80 CRI 60-Watt incandescent equivalent 10,000 hour average lamp life 2700K Color Temperature, Warm White Color, GU24 Base SL13/E/GU24/27K 13-Watt, 900 Lumens, 80 CRI 10,000 hour average lamp life 2700K Color Temperature, Warm White Color, GU24 Base SL13/E/GU24/27K