Macherey-Nagel PORAFIL Membrane Filters CA are precision filters designed for highly efficient filtration in laboratory and industrial applications. Manufactured by Macherey-Nagel, these filters have a 0.20 µm pore size, ensuring excellent particle retention for fine filtration. With a diameter of 142 mm, they are ideal for larger volume filtration tasks, particularly in microbiological testing, water filtration, and chemical analysis. The filters are made from cellulose acetate (CA) material, offering high chemical compatibility and reliability.