Passing all the rigorous testing procedures for the quality of filtered water and the quality of water purifiers used in domestic use, Karofi is the first and only unit to achieve the 2 highest certifications for water purifier quality: National standard for water for direct drinking water QCVN 6-1:2010/BYT issued by the Institute of Occupational Health & Environment Ministry of Health and National Standard TCVN 11978:2017 for household water purifiers issued by the General Department Quality measurement – Ministry of Science and Technology level.
The certified water source must meet the MOH's standards for 21 toxic physico-chemical criteria such as Arsenic, Ammonium, Lead, Cyanide, Mercury, Copper, Nitrate... and 5 microbiological criteria: E.Coli, Coliform, Streptococci feacal, Pseudomonas aeruginosa, Spores of sulfite-reducing anaerobic bacteria, ensuring absolute safety for users' health with direct drinking water.
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