Genie PURIST ultra pure water system (EDI pure water, RO water or distilled water, etc.) is used as the inlet to prepare laboratory ultra pure water. The quality of the produced water meets or exceeds the Chinese laboratory water standards and test methods (GB6682-2008) and the quality standards of first grade water according to ASTM, CLSI, and ISO3696. The PURIST ultrapure water series has obtained CE and RoHS certifications.