Ge Cfl Light Bulb Daylight Spiral 40 W, 9 W = 40 W 500 Lumens 6500 K Esr 40 watt replacement uses only 9 watts T3 spiral shape with medium base for use in table lamps and enclosed fixtures Lasts 8 times longer than a 40 watt regular soft white bulb $34 in energy savings over the life of the bulb based on 3 hours per day usage Energy Star Qualified