... substance,colloidand particle in water.2nd stage:activated carbon Removing bad smell in water completely.3rd stage:PP ... 5 micronFiltering sediment,suspended substance,colloidand particle in water.4th stage:Ultrafiltration filter cartridge (UF) Filtration ... carbon water filter which absorb the water odor, adjust filtrated water taste and keep water fresh. wall mounted household water purifier(XXY- ...