Obelisc R Guard Column, 10 x 2,1mm, 5µm, pk/2 Back Catalog number: OR-21.G.0510 Manufacturer: SIELC Technologies Availability: 2 weeks Price on request - + Recommended 760023.46 EC 50/4.6 NUCLEODUR 100-5 263,16 € A2001050X046 Polaris 3 C18-A 50 x 4.6mm 570,47 € 760550.46 EC 250/4.6 NUCLEODUR HILIC, 5 µm 711,10 €