PTFE Vent Filter, Sterile, 0.2 Micron, 50mm, 6 to 12mm hose BARB, 10/Pk Easy-to-use, sterile ,and disposable, these In-Line Filters contain a hydrophobic PTFE membrane ideal for confining and isolating infectious and hazardous material in vacuum systems and venting applications. SKU PTFEVS0250BAR10 Manufacturer Sterlitech Pore Size 0.22 Connection