MS PES capsule filter is made of asymmetric polyethersulfone membrane. It has a variety of volume options, can provide a variety of removal ratings and has a variety of cages and adaptors to choose from, quick installation and easy operation. Its internal filter cartridge can be configured according to the characteristics of the filter material liquid by selecting a suitable product series to form different sub-series, which has a wide range of chemical compatibility, high flow rate and low extraction rate, and the low protein binding capacity of polyethersulfone, making it widely used in food and beverage and biopharmaceuticals.