... Water machine adopts formula weight 50000~10000 as ultra-filter membranes ,which can wipe suspending particles,dust,particles,organic chemicals,unpleasant ... opening design ,clear process and convenient maintenace.2,High quality UF membrane treatment crafts and callback ratio comes to 85% at ... stop and run when high or low level water.5,UF membrane be cleaned out by medicament manually ,which can protect ...