Cogent Silica-C, 50 x 2,1mm, 4µm Back Catalog number: 40000-05P-2 Availability: In the manufacturer's stock Price on request - + Recommended 971700-902 Eclipse XDB-C18,2.1x50mm,3.5um 559,26 € 863953-906K SB-C8, 4.6 x 150mm, 3.5um, MVK 2 408,49 € CP28080 MicroSpher C18, S100x4.6 Col. 832,15 €