... 1: Sediment filter removes suspended impurities from inlet water. rwater purifier,water softener They are 4 stages.Stage 1: Sediment ... carbon cartridge removes organic chemicals, agricultural chemicals, insecticides, bleaching agent, phenols, trihalomethanes and other carcinogenic substances as well as ... etc.), parasites and microbes up to 99%.(rwater purifier,water softener,water purifying equipment)