... installed in factory,hotel,school, office to supply pure water . Feature:Pure Water Production Capacity: 300GDP/400GDP/500GDPDesalting Rate: 98%Pretreatment: ... check out the pressure of flow pipe ,produce water, supply water, pause by water overfull or lack, automatic RO membrane flushing 2 ... ,hotel, unit the group places to supply the pure water by piping . RO Pure Water Machine with reverse osmosis