GE Lighting 23708 LED 4.5-watt 350-Lumen Dimmable A15 Ceiling Fan Bulb with Medium Base, Daylight Frosted, 1-Pack A15 shape with medium base for use in ceiling fans 40 watt replacement uses only 4.5 watts Provides 350 lumens Lasts 13.7 years based on 3 hours per day usage Estimated yearly energy costs $0.54 based on 3 hours per day $0.11 per kWh