KDF Water Filter Six filtraction processes. The 1st: 100 mesh stainless steel net, remove the sand, dus, suspended particle etc. The 2nd: Fine coconut shell active carbon, remove the chloride, odor and color in the water. The 3rd: water fence, stop the large grain substance in the water The 4th: far infrared mineralized ball, which has anti-bacteria function; improve the water dissolvedoxygen, release some helpful microelement; improve the microcirulation. The 5th: imported KDF, which remove the chloride and heavy metal element. The 6 th: UF membrane, 0.01 micron filter fineness, remove the suspended substance, colloid, bacteria, virus, macromolecular organic substance etc hazardous material.