Macherey-Nagel Filter Papers, round, grade MN 728, 270 mm, 100 pcs.

Basis weight: 170 g/m2. Thickness: 0.4 mm. Filtration speed: 55 s/10 ml. Smooth. Slow filtration, dyed with about 30 % activated carbon for lightening liquids, for example, for galvanic baths.