... arsenic,cadmium, zinc, manganese, selenium, iron, chromium, aluminum, nickel and copper, as well as to suppress thegrowth of ... chemicals, insecticides, bleaching agent, phenols, trihalomethanes and other carcinogenic substances as well as odor, foreign color ... colibacillus vibrio cholerae,dysentery bacillus, salmonella, etc.), parasites and microbes up to 99%.(water purifier,UF water purifier, ...