Macherey-Nagel PORAFIL Membrane Filters TE are high-quality filtration solutions designed for precise and efficient separation processes in laboratory and industrial applications. Manufactured by Macherey-Nagel, these filters feature a 0.45 µm pore size, ensuring excellent particle retention for reliable sample analysis. The 50 mm diameter filters are made from polytetrafluoroethylene (PTFE), providing exceptional chemical resistance and thermal stability, making them ideal for aggressive media and high-temperature applications.