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Filter principle of water purifier 1. micro-filtration (MF): the filtering accuracy is generally 0.1-50 micron,A variety of common PP filter,Activated carbon filter,Ceramic filter element belongs to the category of micro filter,For simple coarse filtering,Filter large particles such as sediment and rust in the water,However, harmful substances such as bacteria in the water cannot be removed.The filter element cannot be cleaned normally,Filter materials for one time,Need to be replaced frequently.1 PP cotton core: generally only used for coarse filtration with low requirements,Remove large particles such as sediment and rust in water.2 activated carbon: it can eliminate the color and peculiar smell in the water,But the bacteria in the water cannot be removed,The removal effect of sediment and rust is also very poor.3 ceramic filter element: the minimum filtering accuracy is only 0.1 micron.Usually the traffic is small,Not easy to clean.2. UF: the filtration accuracy is 0.001-0.1 micron,Belongs to one o