This product has multiple treatment processes including high-tech diaphragm precipitating,super fine PP filter element filtering and coconut shell activated carbon absorbing to remove all kinds of pollutants in the water(Nitrate,chloride,Ra,Cu,Aa,Pb,Cr,Bacterial cell...),the whole machine system uses the most advanced design---Fast joint connection and elements, which are quick and reliably. This product has humanized design,it has many functions such as shutdown automatically if water is full,automatic washing after starting,and automatic timing washing.This product uses full-uses full-enclosed water treatment design to avoid secondary pollution of outputing water,drinking while outputing,fresh safe.