Globe Electric 00031 12/20/26-watt 3-Way Tri Light T4 CFL Medium Base Light Bulb, Soft White 3-Way trilight cfl medium base light bulb This light bulb uses 12/20/26 watts of energy with an equivalent wattage of 30/70/100 watts Lifespan of 10,000 hours Ideal for use in 3-way lamps Energy Star certified