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 990967-302 Eclipse XDB-C18 3.0x250 5u Solvent Saver 752,39 € 79469 PRP-3 12-20µm 21.5x250mm Price on request 883975-309 SB-C3 Solvent Saver HPLC Col 3.0x150 708,18 €