Bulbrite 509743 CF13C/WW/GU24 13-watt Twist and Lock 2700K Compact Fluorescent Coil, Warm White Saves up to 75 percent in energy costs Lasts up to 8 times longer than incandescent Equivalent to a 60W incandescent bulb IC based technology provides longer life when dimming compared to other CFLs Energy Star Rated