Acro 50 Vent Filter 0.2um pore size. Reusable. 50mm hydrophobic PTFE membrane. Polypropylene housing. 60psi maximum operating pressure. 9.5mm straight pipe connectors. Autoclavable at 121[degree]C for 30 minutes. 20cm2 filtration area. 7.3dia.x8.2Lcm. Individually packaged.