Sunlite SL25/E/3W/27K/CD1 13,20 and 25 Watt 3 Way Spiral Energy Star Certified CFL Light Bulb Medium Base, Warm White 13-20-25 Watts, 900-1200-1600 Lumens, 80 CRI 60-75-100-Watt incandescent equivalent 8000 hours average lamp life 2700K Color Temperature, Warm White Color, Medium Base SL25/3W/E/27K/CD1