Sunlite SMS13F/E/41K 13 Watt Super Mini Spiral Energy Star Certified CFL Light Bulb 4 Pack Medium Base Cool White 13-Watt, 900 Lumens, 80 CRI 60-Watt incandescent equivalent 10,000 hour average lamp life 4100K Color Temperature, Cool White Color, Medium Base SMS13F/E/41K/4PK