Hello frnds, first of all I want to share my pureit experience, because I purchase pure it in last 3 month.after 3 month I shaw that the desies nare so far like as suffering from cold and normal other desies. realy it teste are so different from normal water.everybody can easely use it because when u purchase it, a manual card is in it.it is easy to use, there are no defficult for use.and one time purchase it continue getting 3 months pure water.after 3-4 month the devise(jumes kill kit) signel completely red .when we needs to change the devise(jumes kill kit).pure it available in market in diffeent different design in different cost.and user can also become a distributer and get servises to others.its customer and support servise so quick and fast. so I say to every one, purses pure it, for healthy life.