Guard Holder for 1mm, 2mm, 3mm, 4,6mm columns Back Catalog number: GCH01S Availability: In the manufacturer's stock Price on request - + Recommended 760800.30 EC 50/3 NUCLEODUR SPHINX RP, 5 µm 570,38 € 79889 HxSil C18 3µm 2.1x50mm Price on request 721155.30 EC 4/3 NUCLEOSIL 100-5 NH2-RP 161,61 €