Chemical-free Sterilization Light Osram HNS S G23 7 W Puritec Lampe à Ultraviolets Germicide Osram Puritec HNS S 7W G23 Effective and environment-friendly disinfection without chemicals , Low mercury content Osram Puritec HNS S 11W ultraviolet lamp | ELC Lamps Online Efficient disinfecting of air, water and surfaces PURITEC ® HNS ® S These germicidal lamps are low-pressure lamps that emit mercury line radiation mainly in the short-wave ultraviolet range. They are the highly promising eco-friendly alternatives to chemical purification processes Product Description OSRAM is one of the leading light manufacturers in the world. Lámpara Germicida Puritec HNS S/E 7W 2G7 OSRAM Dominant wavelength: 254 nm (OFR version)