Sunlite 05690-su slg9/y 9w colored globe cfl light bulb, medium base, yellow sunlite colored globe compact fluorescent lamps fit into most standard fixtures and give off a yellow light much like a 40 watt incandescent bulb. These energy efficient cfl lamps can last up to 9.1 years with normal household use of 3 hours a day. This energy saving 9 watt, medium base bulb has an average rated life of 8,000 hours.