GE Lighting Crystal Clear 79075 60-Watt, 580-Lumen A15 Light Bulb with Intermediate Base, 8-Pack A15 shape with intermediate base for use in ceiling fans Uses 60-Watt 580 lumens providing comfortable, inviting light Lasts 1.4 years based on 3 hours per day usage Estimated yearly energy costs $7.23 based on 3 hours per day $0.11 per kWh