Macherey-Nagel Filter Papers, folded, grade MN 617 1/4, 320 mm, 100 pcs.

equivalent to Whatman/Schleicher Schüll article No. 10312753, 204320. Basis weight: 85 g/m2. Thickness: 0.2 mm. Filtration speed: 9 s/10 ml. Smooth. Fast filtration of coarse precipitates.