Very Very Worst , Dont buy the product from this person SIVARAM/Nectar RO System. I brought before 2 month now the machine not working for couple of weeks. I ask sivaram to come and solve the problem. But the culprit is cheating me daily not responding my phone calls – still now my machine problem not solved . The 1 year free service and spare changing words are all drama. Janarthanan 9841531117 Jeeva_jana@yahoo.com