1. Sand filter: It is mainly used to remove Plankton, Moss, Suspension, Colloid and so on.
2. Active carbon filter: It is mainly used to remove Small particles, colloids, organic compounds, residual chlorine ,smell and so on.
3.Sodium filter: It is mainly used to remove the calcium and magnesium ion.
Reverse osmosis filter (RO). It can filter all kind of impurities from raw water.
