HOLLOW FIBER MEMBRANE CARTRIDGE

A hollow fiber membrane cartridge according to an aspect of the present invention includes a plurality of hollow fiber membranes and a body portion in which the plurality of hollow fiber membranes are arranged, and above which and below which mesh portions are formed, respectively, wherein the mesh portion includes a plurality of joints and a window formed to be surrounded by the plurality of joints, and a radius of curvature of the joint is 1 to 7 times a diameter of the hollow fiber membrane.