The 3M™ Immuloc™ Cytaphresis Absorber is a single-use absorption cartridge filled with cellulosic filaments on which leukocytes will bind. It can be used for leukocyte absoption for conditions including: Ulcerative colitis, Crohn´s disease, Rheumatic arthritis, Pyoderma gangrenosum, Pustolar psoriasis.