Membrane for reverse osmosis system Morion RO-101 reverse osmosis membrane provides ultrafiltration of all pollutants including cysts, bacteria and viruses. The membrane also removes the water hardness from any initial level. This membrane has a performance of 7.8 liters per hour. Features and equipment: All specifications — 5 Scale reducer: No scale Bacteria remover: Yes Virus remover: Yes GPD, reverse osmosis membrane performance: 50 Reverse osmosis membrane performance, liters per day: 190