GE Lighting 74586 Energy Smart CFL 9-Watt (40-watt replacement) 340-Lumen G18 Light Bulb with Medium Base, G18 globe with medium base for use in vanity strips 40 watt replacement uses only 9 watts 340 lumens providing subtle, reassuring light Lasts 7.3 years based on 3 hours per day usage 27 in energy savings over the life of the bulb based on 3 hours per day usage