CYTIVA GRADE 4V QUALITATIVE FILTER PAPERS - Grade 4V Folded Filter Paper, Circle 27cm, 100/pk | Quantity - 1x PKA prepleated filter paper widely used for general purpose filtration. Has excellent particle retention and a good filtration speed and loading capacity. Savings in time required to quadrant fold circles to fit conical filter funnels in repetitive or multiple analyses. Decreased overall filtration time because of the extra surface area exposed; the normal slow down of filtration speed due to the loading of particulate is postponed. Increased total