DosaFil Limited manufacturer of the new ground breaking patented DosaFil-Duo range of closed system side-stream filtration and treatment systems. With DosaFil, we’ve created a product that overcomes common water treatment issues, enabling closed commercial and industrial heating and cooling systems to be cleaned, protected and maintained in a very easy, convenient, and above all safe manner, in combination with advanced chemical treatment technologies. Please email [email protected] to get in touch and find out more!