... t he pretreatment of RO systems for tap water, ground water, under ground water and treated wastewater with good quality for protecting ... the pretreatment of RO system for sea water desalination and ground water treatment. ModelPRE8000K(inout) PRE8060K(inout)Design flux(L ... 30sec/0.5~1 hour Applications: tap water,underground water,ground water,tertiary water Advantages: high flux,strong,more stable, ...