The Feit Electric 22-Watt Daylight Circular T9 CFL Light Bulb replaces your T9 lamp bulbs in your ceiling fan and fixtures that accepts a 4-pin base. Designed to last and save energy, this light bulb has an average life of 12,000-hours and is estimated to have only a $2.65-yearly energy cost. Its 6500K Daylight color is great for kitchens, bathroom and for where bright white light is desired.