タイトルまたは説明

Stage one:

All suspended particles like sand, dust, rust, and
fungus are filtered up to 0.3 micron.

Stage Two:

This stage removes all the dissolved impurities
including excessive chlorine, unpleasant taste
and  smell by high performance cartridges of
granular activated carbon.

Stage Three:

In this stage all micro organism(virus, bacteria,
Ecoli etc.) got disinfected by ultraviolet lamp of
UV is *9.9%.