Sunlite 05582-su sl150/27k/mog spiral cfl light bulb, mogul base, warm white sunlite super high wattage spiral compact fluorescent lamps fit into most standard fixtures and give off a warm white light much like a 500 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 150 watt 2700k, mogul base bulb offers 7900 lumens of light output and has an average rated life of 8,000 hours. Great for floor lamps, desk lamps, ceiling fixtures and most common household lighting needs.