Ecosoft RObust PRO Reverse Osmosis Water FilterINSTALLATION & USERObust PRO is a unique reverse osmosis water filter for real coffee professionals and connoisseurs. The filter is designed taking into account the world's "coffee" standards and allows to get water that perfectly reveals the inimitable coffee taste. Ideal for water for drinking and cooking/Water for coffee and coffee machines.Designed especially to feed commercial coffee machines. An extra cartridge delivers a special blend of Calcium & Magnesium to the purified water in order to give the best tasting coffee.Water purification consists of the following stages: Pre-filtration removes sediment impurities, chlorine, chlorination by-products and natural organic compounds Reverse osmosis membrane (Dow FilmtecRO membrane) eliminates 99.8% of dissolved impurities, viruses and bacteria Special RObust PRO replacement filter delivers a small content of magnesium and calcium, which enhance the extraction of coffee flavour and arom