GE Lighting 76135 Energy Smart Spiral CFL 10-Watt (40-watt replacement) 550-Lumen T3 Spiral Light Bulb with Medium Base, 1-Pack 10-Watt Light Source that replaces a 40-Watt bulb Provides cost savings, extra long life, light output, and color rendering With this CFL you'll get dramatic energy. Cost savings up to 77 percent Perfect for residential or commercial use FLE10HT3 / GU24