Hi friends, I have share my personal opinion Kent RO System. I have used Kent RO 5 Year old. This is very very good water purify. This is work well, no other issue use this face me. Kent RO oprating very simple, this when install work automatically. I have every 3 to 4 months service this if that this work well. Kent RO design simple but styles good job. I am happy use this. Very important Kent service & suport if that is very very good. I was call, Kent RO service center, they are quick respos and help me. I feel that best water purify coy Kent RO.