Cogent Guard Column Kit with Bidentate C18 Back Catalog number: 40018-HG4 Manufacturer: MicroSolv Technology Corporation Availability: 3 weeks Price on request - + Recommended 1441-125030 PerfectSil 120 C8 3µm, 125x3.0mm Price on request 760186.40 EC 250/4 NUCLEODUR 300-5 C18 ec 467,74 € 762272.100 VP 250/10 NUCLEODUR C18 Pyramid, 5 µm 1 686,77 €