PoraPak N (50/80), 20g Back Catalog number: C-2PPKN Manufacturer: MARKES INTERNATIONAL LIMITED Availability: In the manufacturer's stock Price on request - + Recommended 815381.1 Silica gel 60M 0,04-0,063mm, 1kg 67,26 € 711014.100 POLYGOPREP 60-30 NH2, 100g 198,69 € C-2PPKQ PoraPak Q (50/80), 20g Price on request