Sunlite 05326-su slj15/27k 15w jar cfl light bulb, medium base, warm white sunlite jar compact fluorescent lamps fit into most standard fixtures and give off a warm white light much like a 60 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 15 watt 2700k, medium base bulb offers 800 lumens of light output and has an average rated life of 8,000 hours.