Cogent Silica-C, 50 x 2,1mm, 4µm Back Catalog number: 40000-05P-2 Availability: In the manufacturer's stock Price on request - + Recommended 79820 PRP-1 5µm 4.1x250mm *US8 Price on request A2001050X020 Polaris 3 C18-A 50 x 2.0mm 570,47 € 760461.40 EC 30/4 NUCLEODUR PolarTec, 1.8 µm 643,39 €