Autofil PP - Disposable Vacuum Bottle Top Filters for Solvent Filtration, with 0.2um Sterilizing PES Membrane, 1L (1000mL), GL45 Thread, Polypropylene Housing, Non-Sterile, (Pack of 12) Solvent Filtration Disposable Vacuum Bottle Top Filter, 0.45um PTFE Membrane for Clarification and Prefiltration, 1000mL, GL45 Thread, Polypropylene Housing