Chemically resistant hydrophobic PTFE membrane is well suited as a solvent filter for many different solutions Filter can be autoclaved multiple times without losing integrity Integritytestable (bubble point or water breakthrough pressure in situ methods) Lightweight to prevent tube collapsing Whatman Polydisc TF InLine Filters from Cytiva are lightweight devices with high chemical and solvent resistance that are particulraly suitable for protective vents or inline filtration applications. The Whatman filter line from Cytiva's business offers a wide range of high throughput, inline options. Explore the Polydisc range to find the right disc filter for your application. Polydisc TF aggressive solvent filter Filtering organic solvents and aggressive solutions calls for a chemically resistant, durable membrane. Cytiva's Polydisc TF features a PTFE membrane resistant to such compounds. The 1 µm membrane features a polypropylene prefilter for solvent filtration containing high particulate density in order to extend the useful life of the membrane.