Convenient and Economical Choice for Sterility Testing Within Isolators-MicroFunnel ST filter funnels offer an alternative to costly closed-system sterility testing when using an isolator or containment suite-0.45 m GN-6 Metricel membrane or low binding Supor membrane provides a choice for sterility testing applications in the pharmaceutical industry-Supor membrane is ideal for testing antibiotic solutions-Double bagged packaging ensures easy transfer through airlock-Simple squeeze separation design makes membrane retrieval easy-Meets requirements of U.S., Japan, and European Pharmacopeias for sterility testing This product is not approved for use in medical, clinical, surgical or other patient applications.