Guard Holder for 1mm, 2mm, 3mm, 4,6mm columns Back Catalog number: GCH01S Availability: In the manufacturer's stock Price on request - + Recommended 760589.40 EC 250/4 NUCLEODUR Phenyl-Hexyl, 5 µm 672,42 € 760071.20 EC 75/2 NUCLEODUR C18Gravity, 1.8 µm 643,39 € 575150-902 ZORBAX Eclipse Plus C18,30x150mm,5um 6 358,19 €