Sunlite SMS9/E/41K/4PK 9 Watt Super Mini Spiral Energy Star Certified CFL Light Bulb Medium Base Cool White 4 Pack 9-Watt, 500 Lumens, 80 CRI 40-Watt incandescent equivalent 10,000 hour average lamp life 4100K Color Temperature, Cool White Color, Medium Base SMS9/E/41K