1. Effectively remove suspended solids, sediment, red worms, algae, colloid, rust and other solid sediments in the water. 2. Effectively adsorb residual chlorine and peculiar smell in water. 3. The filter aperture is up to 0.0001 micron, which can remove heavy metals, calcium and magnesium ions, bacteria and other impurities from the water. 4. More effective adsorption of water residual heterochromatic smell, so that the taste of sweet and delicious.