Acrodisc Sterile Syringe Filter with 0.2um Fluorodyne II Membrane Membrane is hydrophilic polyvinylidene fluoride. For scale up. Polypropylene. Bacterial retention tested. Integrity testable. Filtration area: 2.8cm2. Female Luer-Lok inlet/male slip luer outlet. Flow rate: 130mL/min at 2.1 bar.