Krona liquatec offers a unique water purification system with separable water tank and ro system. The water tank, which contains ro water, can be used on water cooler/dispensers and can also be carried to outdoor locations. This machine can filter 200 ltr of water per day and its tank capacity is 17 ltrs. This is the most advanced model in ro machines with user friendly features: the unique tank separable design, one ro system many possibilities; patented cap design, simply change the cap adapter and convert it into a bottle for water cooler/dispensers; and "filter smart" ro controller automatically controls the flushing of the membrane, also gives the capacity information of each filter cartridge. Filter cartridges: 1st stage - in-line sediment filter cartridge - removes dust, dirt, particle and suspended solids in water; 2 nd/3 rd stages - in-line activated carbon filter cartridge - designed for chemical absorption [e.G. Chlorine], removes colour, bad odour and taste of the water; 4th stage: ro membrane - modern water treatment technology. Drops the tds down to pure water level; 5th stage: post activated carbon filter - further improves the taste of ro water; use the in-line cartridges only. For system to operate optimum, change the cartridge as recommended.