The MAN Series Filter Cartridges Nylon 6.6 Absolute Rated Membrane Filter Cartridges. Their Hydrophilic Nylon 6.6 membrane filter cartridges provide lower extractables than other membranes for ultrapure water filter and fine chemical applications. They have a Absolute retention from 0.1 to 0.65 microns and the charged membrane surface attracts smaller than rated pore size. Quick wet-out time reduces process start-up time. They are manufactured in Class 10,000 clean room for highest purity and meets applicable CFR criteria and USP Class VI Biological Test for plastics. These filters are suitable for steam or autoclave sterilization and hot water or chemical sanitization.