Sunlite 05620-su sl25r40/r 25w r40 reflector colored cfl light bulb, medium base, red sunlite r40 reflector colored compact fluorescent lamps fit into most standard fixtures and give off a red light much like a 100 watt halogen 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 25 watt, medium base bulb has an average rated life of 8,000 hours.