Cogent Silica-C, 50 x 2,1mm, 4µm Back Catalog number: 40000-05P-2 Availability: In the manufacturer's stock Price on request - + Recommended 760200.46 EC 50/4.6 NUCLEODUR C18 Pyramid, 5 µm 623,20 € A2011050X021 Polaris 3 C8-A 50 x 2.1mm 579,42 € 720050.40 EC 125/4 NUCLEOSIL 120-5 C8 389,76 €