... U.S FDA standards for purified waterWater for injection, pharmaceutical, injection with sterile water, distilled water etcShould be consistent ... , Pretreatment With R.O.SystemRiver WaterChlorination, R.O.System and OzonationLake WaterChlorination and Filtration with U.V. & ... Sea SourceChlorination, Pretreatment With De-Salination, R.O.System and OzonationWarranty We guarantee the operation and quality ...