... 1: Sediment filter removes suspended impurities from inlet water. Stage 2: Metallic ion exchange filterThis patented high ... and algae. Stage 3: Activated block carbon cartridge removes organic chemicals, agricultural chemicals, insecticides, bleaching agent, phenols, ... etc.), parasites and microbes up to 99%.(water purifier,UF water purifier,reverse osmosis) 2011 new products--Tiger quick ...