Pureit advance RO is the best ro in market in cheap price. It works very good and give their better performance. It works in extreme conditions. When the water quality is very bad pureit works properly and give the pure drinking water. Its water is also safe for small kids. In this price it gives a very good product. Its water is safe for everyone. Kids and older people can drink its water without any problem. So I preffer this Ro for everyone. It is the good product and it is value for money product in market.