Filters up to 16-25 litres a minute, and typically filters up to 50,000 litres before the cartridge needs replacing. These systems are based on our remarkably powerful Aragon filtering technology which has a four-step approach to removing impurities from your water: • Mechanical filtration • Ion-exchange • Absorption • Disinfection This Removes: • Suspended particles such as rust and dirt. • Heavy metals including lead and zinc. • Chlorine. • Hardness. • Bacteria and viruses. You effortlessly get clean, healthy, soft water (with the minerals left in), for drinking, cooking, cleaning and washing.