Sunlite SL18/GU24/41K SL18/GU24/41K 18-watt GU24 Spiral Energy Saving GU24 Base CFL Light Bulb, Cool White 18 Watts, 1100 Lumens, 80 CRI 75-Watt incandescent equivalent 10,000 hours average lamp life 4100K Color Temperature, Cool White Color, GU24 Base SL18/GU24/41K