... and bacteria with good tastesB, The ESPA-4040 membrane, can make the recovery to be 50~75%, desalinization ratio to ... and PP sediment membranes filter as Pre-filter which can wipe suspending particles,dust,particles,organic chemicals,unpleasant taste,chlorine ... water complies with RO inlet requirement. Then RO filter can wipe dissolvable substance,bacteria,pesticide ,heavy metal particlea as well ...