Membrane filters, Grade TE, PTFE with support Applications: -Ideal venting filter for all applications -For aggressive media and cryogenic liquids -Separation of free water from organic solutions -Outstanding as gas/liquid barrier -Filtration of air and (hot) gases Properties: -Chemically inert to aqueous and organic solutions as well as concentrated acids and bases -Hydrophobic - for aqueous filtration the pressure must be higher than the water breakthrough pressure -Can be used up to 145°C -Can be sterilised by all methods except gamma radiation