Built with a 304 stainless steel chamber and comes with an electronic ballast with an audible and visual alarm. These lamps are rated at 30 mj/cm2 at the end of lamp life (9,000 hrs). This particular system has 1" MNPT. Features Benefits Provides disinfection without the use of chemicals Reduces bacteria, virus and protozoa by 99.99% Electronic ballasts providing constant output current over the entire operating range Improved surge protection Annual lamp replacement reminder feature Polished, 304 stainless steel reactor chambers for durability Easy servicing (no need to disconnect water flow during lamp replacement) Open end quartz sleeves for optimum operating temperature and sealing efficiency Aluminum base for quick and easy servicing Applications Well water Surface water Municipal water Food service processing Hospitals Aquaculture Electronics Pharmaceuticals Hotels Water bottlers Laboratories Marine