Whatman 1204-0185 Qualitative Filter Papers, Grade 4V Fluted Filter Paper, FF, 18.5 cm circle Package of 100

Grade 4V, FF, circle, 18.5cm, 100/pk
Whatman Grade 4V prepleated filter paper is frequently used to filter gelatinous precipitate or for general filtration that does not require the collection of fine particles. The filter sheets are also useful for rapid filtration of biological fluids or organic extracts prior to analysis.Very fast flow rate.Retention of coarse and gelatinous precipitates.Nominal particle retention rating of 20-25μm.Fast filtration speed (Herzberg 37 s).Fluted (pre-pleated) for compatibility with conical filter funnels without the need for further folding. Also, check out Whatman 1442-090 Filter Circles, 90mm Dia, Ashless Grade 42, 100/pk