Sunlite 05660-su slg9/g 9w colored globe cfl light bulb, medium base, green sunlite colored globe compact fluorescent lamps fit into most standard fixtures and give off a green light much like a 40 watt incandescent bulb. These energy efficient cfl lamps can last up to 7.3 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.