Acro 50 In Line Vent Filter with Emflon II Membrane, Hose barb, no vent, 0.2 µm is Ideal for Use in Air/Gas and Vent Applications with Proprietary, Low Pressure Drop Hydrophobic PVDF Membrane., Pall Acro 50 In Line Vent Filter with Emflon II Membrane, Hose barb, no vent, 0.2 µm