PoraPak N (50/80), 20g Back Catalog number: C-2PPKN Manufacturer: MARKES INTERNATIONAL LIMITED Availability: In the manufacturer's stock Price on request - + Recommended 711023.1000 POLYGOPREP 300-20 C4, 1000g 79 560,00 Kč 730630 Chromab. sorbent PSA, 100g 8 554,00 Kč 711033.1000 POLYGOPREP 100-80, 1000g 4 836,00 Kč