Description. PALL Acrodisc Syringe Filter, 0.45 um Pore, Female Luer-Lok Inlet x Male Luer Outlet, 300 mLpm Flow Rate, Sterile, 25 mm Dia, Supor (Hydrophilic Polyethersulfone) Filter Material, Acrylic Housing, 5.2 bar, 55 deg C, 2.8 sq-cm Effective Filtration Area, <300 uL Hold-Up Volume. Application: For researchers working with protein