The Water machine can produce 7 types of water, 3 types for cleaning alkanized drinking water pH 8.5, 9.0 and 9.5, 1 neutral water pH7.0, Beauty water pH6.0, Acidic water pH 2.5 & 11.5. This is not a filter, but a water machine made by a company 40 yrs in business and use in many Japanese hospitals and medical centre. If you write to my email: now2drink@gmail.com, I can send you all the related information. Or join my Facebook group - https://www.facebook.com/groups/1465892980385849/

Best rgds.

David Lim