Heavy Duty Reverse Osmosis System uses a semi-permeable membrane to separate and removes dissolved solids, organics, submicron, colloidal matter, viruses, and bacteria from water. The System functions with reverse osmosis process which requires pressure to force pure water across a membrane, leaving the impurities behind. The Reverse Osmosis System is capable of removing 95-99% of the total dissolved solid and 99% of all bacteria, thus providing safe, pure water. Heavy Duty Reverse Osmosis System is available in different capacity ranges such as 250LPH, 500LPH, 1000LPH, 1500LPH, 2000LPH, 3000LPH, 6000LPH and up to 20,000 LPH.