PoraPak N (50/80), 20g Back Catalog number: C-2PPKN Manufacturer: MARKES INTERNATIONAL LIMITED Availability: In the manufacturer's stock Price on request - + Recommended 815610.1 Polyamide-CC 6 (<0,07mm), 1kg 460,16 € 730652 Chromab. sorbent C2, 100g 288,13 € 711010.10 POLYGOSIL 60-5, 10g 44,65 €