Cogent Guard Column Kit with Bidentate C18 Back Catalog number: 40018-HG4 Manufacturer: MicroSolv Technology Corporation Availability: 3 weeks Price on request - + Recommended 827668-301 Bonus-RP, 3.0x50mm, 1.8um, 600Bar 764,50 € 760722.40 EC 250/4 NUCLEODUR 100-5 NH2 467,74 € 824700-905 SB-CN,2.1 x 30mm,1.8um, 600bar 546,33 €