Memtrex FE (MFE) Filters, with absolute rated PTFE membranes offer broad chemical compatibility with minimal extractables in a wide range Suez of fluids and applications. The inherently hydrophobic PTFE membrane is ideally suited For the filtration of compressed air and other process gases. Constructed min a clean room environment using thermal welding techniques, the MFE Filters do not contain any adhesives or additives. As part of the manufacturing process, the MFE Filters are individually integrity tested. The effectiveness and purity of your filtration process is preserved.