The UV "Addon" is designed to be an easy addition to water treatment systems that require disinfection (RO systems, holding tanks, water dispensers, recirculating systems and more). The "Addon" systems are available with a 1 G.P.M. or 3 G.P.M. flow rate. They are constructed using a 304 grade stainless steel body with a molded head that includes connection fittings on the inlet and outlet. This versatile system also includes a heavy duty mounting bracket, but will also fit standard 2" RO mounting clips. The UV "Addon" series can be used almost anywhere and is equipped with a unique power supply that makes installation simple, space requirements minimal and lamp changes easy.