Resistivity of the product water is above 5 MΩ•cm at 25 ℃ , which meets or exceeds Type II water quality as defined by ASTM, CAP, CLSI and ISO 3696 / BS 3997 and also complies with the Purified Water requirements from the European and U.S. Pharmacopoeia. The system is manufactured in an ISO 9001 : 2015 certified manufacturing site.