Hydocs Polypropylene capsule filter series is made of polypropylene microfiber. It has a variety of volume options, with gradient pore size and high-strength support, so that the filter cartridge has the characteristics of high retention efficiency and high flow rate, and can provide a variety of removal ratings and a variety of cages and adaptors to choose from. It is easy to install, and easy to operate. Its internal filter cartridge can be configured according to the characteristics of the filter material and liquid, and a suitable product series can be selected to form different sub-series to meet different application requirements. It has wide applicability and is suitable for small-flow material liquid filtration.