PoraPak Q (50/80), 20g Back Catalog number: C-2PPKQ Manufacturer: MARKES INTERNATIONAL LIMITED Availability: In the manufacturer's stock Price on request - + Recommended 815330.1 Silica gel 60 0,063-0,2mm, 1kg 41,69 € 711580.100 POLYGOSIL 100-10 C18, 100g 1 546,17 € 711013.100 POLYGOPREP 60-20 NH2, 100g 207,92 €