Guard Holder for 1mm, 2mm, 3mm, 4,6mm columns Back Catalog number: GCH01S Availability: In the manufacturer's stock Price on request - + Recommended A2004MG2 MetaGuard 2.0mm Polaris Si-A 10u 366,37 € 762404.100 VP 50/10 NUCLEODUR C18 ISIS, 5 µm 866,14 € 720077.46 EC 250/4.6 NUCLEOSIL 1000-7 C18 501,73 €