Dec 21, 2021 · luer lock ptfe membrane filter 0.2 um for coal-Voa Vial. Sartorius Minisart™ SRP Syringe Filters are single-use filtration units with a chemically resistant PTFE membrane and male luer slip outlet. Available in 4, 15 and 25mm diameter filters with 0.2 or 0.45 μm pores. Simple, rapid and reliable ultracleaning.