Sartorius FT-4-208-090, Qualitative Filter Papers/ Grade 1290 / 90 mm Folded Discs, 100/Pk.

These 90 mm diameter folded qualitative filter papers are ideal for analytical purposes and routine analyses. They are wet-strengthened for use in pressure or vacuum filtration. Made from refined pulp and cotton linters with more than 95% alpha-cellulose and an ash content of less than 0.1%. 

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