This self-ballasted, fluorescent spiral bulb uses a smaller, T2-size bulb that’s designed to fit in most lamps. Using just 11 watts, this spiral bulb produces a soft, white light at 2,700 Kelvin. Nondimmable spiral bulb features a medium base and produces 730 lumens for 10,000 hours. 120-volt spiral bulb is perfect for lighting areas where harsh, white light is not desired. Energy Star qualified and RoHS compliant.