A new high performance ultra-filtration technology, with ceramic flat membranes, CFM Systems®, for the pretreatment of seawater. Itn offers the complete solution for a cost effective pre-treatment of reverse osmosis with ceramic ultra filtration, in a fully automatic package equipped with control system. Cer@Sea is a well-developed innovative system for optimum RO pretreatment, which increases the lifespan of RO membranes, minimizes the capital cost and operational cost for the whole desalination plant.