Sartorius FT-3-208-050 Qualitative Filter Papers/ Grade 1290 / 50 mm Discs, 100 pc/PAK

These 50 mm diameter qualitative filter paper discs 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% according to DIN 54370. 

Also, Check Out Ahlstrom 6170-5000 Qualitative Filter Paper, 35 Micron, Fast Flow, Grade 617, 50cm Diameter (Pack of 50)