Satco's Halogen Excel line featuring Halogen and Xenon technology is the easy replacement for the traditional incandescent "A" lamp. With government regulations in effect for 100 watt incandescent lamps, why wait to embrace this new technology for all wattages? It's the next step in energy efficient technology, and an easy replacement; the light output and the lamp itself are familiar-looking and it will save on energy costs! Halogen Excel: Good for consumers and good for the environment. Everyone can benefit now!