Macherey-Nagel Glass fiber filter, round, MN GF-5, 37 mm, 0,4 μm, 1 pc/PAK

equivalent to Whatman/Schleicher Schüll article No. 1825037 MN GF‑5 is a binder-free glass fiber filter paper with excellent retention of fine particles. It is often used in combination with membranes to protect the membrane from clogging.