Guard Holder for 1mm, 2mm, 3mm, 4,6mm columns Back Catalog number: GCH01S Availability: In the manufacturer's stock Price on request - + Recommended 760656.40 EC 100/4 NUCLEODUR C8Gravity, 3 µm 817,51 € 760205.46 EC 75/4.6 NUCLEODUR C18 Pyramid, 5 µm 610,55 € 760603.30 EC 50/3 NUCLEODUR C18Gravity-SB, 3 µm 708,86 €