Fast filter paper with very good filtration capacity for coarse particles and colloidal mixtures. MN 617 is for example used for the routine filtration of biological and organic samples. - Filtration speed acc. to DIN 53137: 9 s. - Thickness: 0.2 mm. - Weight: 85 g / m². Fast filter paper with very good filtration capacity for coarse particles and colloidal mixtures. MN 617 is for example used for the routine filtration of biological and organic samples. - Filtration speed acc. to DIN 53137: 9 s. - Thickness: 0.2 mm. - Weight: 85 g / m².