As chemicals and salts, thereby ensuring pure water all the time. The tds controller helps maintain natural minerals, thereby ensuring safe and tasty drinking water for you and your family. This water purifier has a capacity of 12 litres, so as to ensure continuous supply of purified water even when there is no electricity or running tap water. With a fully automatic operation, this purifier begins the purification process when the water level falls below maximum. Filter’s are consumable items as their life depends upon consumption and raw water quality their replacements are chargeable .warranty will be provided on power supply. Please read out user manual for better introduction to your new water purifier. This water purifier has a wall mountable design, which helps save a lot of space on the kitchen countertop, Installation Required Your Side.