0PPM Portable 50 GPD Reverse Osmosis RO+DI Filtration POQ-4B-50 Reverse Osmosis membrane, High technology to deliver the greatest quality water you deserve Perfect for apartment, RV's, business travel, vacation, yacht, boat, Mobil home or anywhere you need the pure water Just turn the valves on and you have pure water, Easy to install this system, just like replacing a kitchen faucet Easy to place on counter top, the sink or anywhere you want, Removes 99% of all Sodium, aluminum, lead, copper, arsenic, mercury, calcium, phosphate, iron, magnesium, zinc, chloride, nitrate, silicate, cyanide, sulphide, nickel, silver, bicarbonate, manganese, ammonium, barium, chromium and Phosphates Removes 99% of all bacteria from your water