HOME > Laboratory Filter Paper > Boeco Qualitative Filters > Qualitative Filters - grade 292 Qualitative Filters - grade 292 (1) Grade 292 - medium to slowly filtering, medium tight fast filtration of fine precipitates such as calcium oxalate magnesium ammonium phosphate coarser forms of barium sulphate Basis Weight 87 g/m2 Filtration velocity: 10 ml / 50 seconds Typical Pore Size: 5 - 8 µm Similar to: Whatmann 1, S&S 593, M-N 616 md Diam. Code Grade/Description Pack of 55 mm FTR 3.205.055 292 / Filter discs. 100 70 mm FTR 3.205.070 292 / Filter discs. 100 90 mm FTR 3.205.090 292 / Filter discs. 100 110 mm FTR 3.205.110 292 / Filter discs. 100 125 mm FTR 3.205.125 292 / Filter discs. 100 150 mm FTR 3.205.150 292 / Filter discs. 100 185 mm FTR 3.205.185 292 / Filter discs. 100 240 mm FTR 3.205.240 292 / Filter discs. 100 Catalogue Download BOECO Catalogue our entire assortment Laboratory Filter Paper Boeco Qualitative Filters