Guard Holder for 1mm, 2mm, 3mm, 4,6mm columns Back Catalog number: GCH01S Availability: In the manufacturer's stock Price on request - + Recommended 760596.46 EC 100/4.6 NUCLEODUR C18Gravity-SB,1.8µm 798,17 € 760325.46 EC 150/4.6 NUCLEODUR C18 HTec, 3 µm 798,17 € 760201.46 EC 125/4.6 NUCLEODUR C18 Pyramid, 5 µm 648,22 €