... post-filters)Section4,Section6,Section7, Section8opt. optionalSTANDARD EQUIPMENT:Section1: 5umPP FiltersSection2: granular activated carbon filter + KDFSection3: sintering activated carbonSection4: UFSection5: small T ... -style filter, effectively removing excess Ca2 +, Mg2 + and other ions in raw water, soften water, reduce the risk of lithiasis, and keep health.Oxidation ...