Nowadays purifiers are in great demand but which one is best is hard to decide. Zero B is a good technology and their customer care is also responsible. My son’s classmate gave all this report to my son. And my son who is just 10 years old sorted out our drinking water issue. He told me to book a demo and have a look at it and then decide so I agreed. After the demo his grandparents are standing along with him to know what is my answer. I did not have anything to say rather got it installed and since 14 months of now, we are just happy about our Zero B Eco RO.