Your choice of lighting in your home matters. Lighting represents a significant portion of the electrical energy used within your home. This 25-Watts 3-way EarthBulb CFL replaces 100/70/40 3-way-Watts light bulbs for 75-percent energy savings and provides just the right amount of light for varying tasks. This means that over the course of the long 10,000 hour lifespan you could save over $75 on electricity costs versus an incandescent bulb and also help the planet by eliminating 1080-pounds of CO2 from being released into the air. This 25-Watts CFL light bulb may be used in floor lamps, keyless sockets, post lights, pendant fixtures, and most general lighting applications. Our electronic ballast provides for instant on, no flicker starting. The medium screw base means that it will fit just about anywhere that you are able to use an incandescent bulb. About EarthTronics, the maker of the EarthBulb: EarthTronics develops products and technologies that address the planet"s demand for energy. They believe this demand creates not only challenges, but opportunities. From lighting to alternative energy products to medical equipment.EarthTroincs is not bound to specific products or technologies. They ARE committed to reducing the amount of energy their customers use. It"s good for your bottom line and it"s good for the planet. That commitment is even reflected in where EarthTronics has chosen to locate their company: in the Michigan Alternative and Renewable Energy Center (MAREC), a world-class research and development facility on the shores of Lake Michigan. At EarthTronics, efficiency meets innovation.