The most effective way to disinfect Ultra Pure Water loops in industrial and pharmaceutical applications. MEMBREL® MkIV Ozonia Membrelis the latest generation of electrolytic ozone generators which uses solid polymer electrolyte with a brand new GFRP cell body, and state-of-the-art electronics for ozone production. Installation of a MEMBREL® MkIV is an effective way of sanitizing a pure water loop. Because the ozone is produced from the water being treated, there are no contaminants. The use of chemicals or additional treatment steps is not necessary.