Osram is one of the leading companies in providing lighting solutions over the decades. OSRAM is evolving from the leading lighting producer to the high-tech champion of photonics. Photonics covers the entire technological range of visible and invisible light.Osram's 18 Watt tube is very economical thanks to its high efficiency. These lights can be dimmable and are suitable for high and low voltage. These are short and compact 4 pin plug base lamps with triple turn tubes. All compact fluorescent lamps contain some amount of toxic mercury. Don't throw away with normal household waste.