Pureit classic make water pure but takes time, need to clean, need to replace filter equipment time to time, it look cheap actually later it goes courier for maintaines, for battery it cost 200 - 300, for char Coal equipment was there which need to change after some day to maintain pure water quality, it will cost 200 - 300, if we use 10 liters of water daily then Pureit classic need service, should have to replace battery, if didnot done change it on time Pureit classic will start leaking water,