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 760608.46 EC 150/4.6 NUCLEODUR C18Gravity-SB, 3µm 798,17 € 820212-920 PrepHT ZORBAX SB-C18Grd Crt, 5um 2/PK 371,51 € 761926.20 EC 4/2 NUCLEODUR C18 HTec, 3 µm 141,26 €