The Springfresh Under-sink RO system has an 8-stage purification process and reverse osmosis membrane to ascertain that there is no harmful bacteria, virus or contaminants in your glass of water. It has an ultra-violet purifying system to keep your stored water equally fresh and healthy. With a re-mineraliser to retain essential minerals and a pH corrector to restore taste in your water, this system assures complete water purity. With the output capacity of 10-12 litres of water an hour and storage capacity of 12 litres, this purifier is a great choice. Its antiscalant system protects the reverse osmosis membrane and also renders a longer life.