18.5 cm Lab Filter Paper, Standard Qualitative Grade 1 - ZENPORE Medium Flow 185 mm (100 Discs)
- Qualitative filter paper for chromatography and chemical analysis applications. Diameter: 125mm (12.5cm, 4.92in).
- Fine Micron particle filtration: 1.5-3.5u, slow flow, equivalent to Whatman Grade 5-6..
- Convex design for better vacuum sealing. For use with filter plates, sintered disks, and Buchner funnels..
- Manufactured from cellulose and cotton linters. Made in the USA.