PoraPak N (50/80), 20g Back Catalog number: C-2PPKN Manufacturer: MARKES INTERNATIONAL LIMITED Availability: In the manufacturer's stock Price on request - + Recommended 815330.5 Silica gel 60 0,063-0,2mm, 5kg 213,48 € 711720.100 POLYGOPREP 300-30 C18, 100g 386,28 € 711004.1000 POLYGOPREP 300-12, 1000g 1 920,84 €