Cogent Guard Column Kit with Bidentate C18 Back Catalog number: 40018-HG4 Manufacturer: MicroSolv Technology Corporation Availability: 3 weeks Price on request - + Recommended 836668-301 Bonus-RP, 3.0x50mm, 3.5u, 600Bar 583,54 € A2021150X046 Polaris 3 C18-Ether 150 x 4.6mm 824,56 € A8061250X046 SepTech ST60-10 Si 250 x 4.6mm 325,29 €