Features of  household water purifier/water filtration system/ water purifiers systemFive-step First filtering:Fibre filter core filters sand, iron rust and other grains. Second filtering:Granule active carbon absorbs special smell chlorine remains, pesticide remains and so on. Third filtering:Fibre filter core filters small materials less then 1 micron and effectively protect reverse infiltrated film. Forth filtering:Get rid of bacterium, virtues, heave metal, metallic salts, organic and minerals. Fifth filtering:Postposition active carbon absorbs special color and smell to guarantee the taste of pure water. Packing meas(mm):570*378*528 Main box meas(mm):370*225*495 Pressure tank meas(mm):280*280*370.