Osram ESL 3U 23-watt bulb is manufactured from top quality Japanese technology designed for long-lasting illumination, eventually offering a fast return on your investment. Whenever we talk about light bulbs, we talk about energy usage, and Osram guarantees the energy usage to be about 80% less compared to other ordinary bulbs. It has compact dimensions making it ideal for a wide array of applications, be it domestic or commercial. Now lighten up your mood however you like with the new Osram series of bulbs.