Hi.i will tell you about features of aqua d fineI bought a water purifier so choose company aqua d fine for water purifier. No doubt one or two months work perfectlyBut after few months slowly and there are many mistakes found within a one day or two days Aqua d fine wasn’t work properly and there are many problems face during usingEvery month waste time and money it’s maintainceThere are many problems 1 it’s not healthful 2 spensive 3 costly maintenance 4 provide slow serviceSo I suggested you don’t bought aqua d fineIt is my experience