Guard Holder for 1mm, 2mm, 3mm, 4,6mm columns Back Catalog number: GCH01S Availability: In the manufacturer's stock Price on request - + Recommended 760701.40 EC 125/4 NUCLEODUR 100-5 C8 ec 383,84 € A2021075X020 Polaris 3 C18-Ether 75 x 2.0mm 826,80 € 770953-902 ZORBAX Extend-C18,4.6x250mm,3.5um, ea 960,42 €