Cartridge filter consists of housing and cartridge. Normally the housing is made of stainless steel.The media of filtration is the cartridge, which is made from various materials. Usually, it includes polypropylene cartridge, string wound cartridge, PP folded cartridge, and so on. Which cartridge should be selected depends on the raw material. The precision of filtration range from 0.1 to 60μm. The size of the cartridge includes 10 inches,20 inches,30 inches,40 inches. The liquid enters the housing from the inlet, going through the filter cartridge. Then the liquid is evenly filtered by the cartridge under the pressure from the pump. The impurities will be trapped inside the cartridge. And the clean filtrate will fow out from the outlet, then the filtration process is completed.