Cogent Guard Column Kit with Bidentate C18 Back Catalog number: 40018-HG4 Manufacturer: MicroSolv Technology Corporation Availability: 3 weeks Price on request - + Recommended 760431.30 EC 30/3 NUCLEODUR PFP, 1.8 µM 708,71 € 79451 HxSil C8 Cart. Steel (5/pk) Price on request 760150.40 EC 250/4 NUCLEODUR 100-5 CN 467,65 €