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 760086.46 EC 75/4.6 NUCLEODUR C18Gravity, 3 µm 770,79 € R0089200D5 Microsorb 100-5 C18 150 x 4.6mm 741,72 € A2020050G100 Polaris C18-Ether 5u 50 x 10.0mm Guard 747,77 €