Guard Holder for 1mm, 2mm, 3mm, 4,6mm columns Back Catalog number: GCH01S Availability: In the manufacturer's stock Price on request - + Recommended 760305.20 EC 50/2 NUCLEODUR C18 HTec, 1.8 µm 15 850,00 Kč 760489.20 EC 250/2 NUCLEODUR PolarTec, 5 µm 16 684,00 Kč 7992518-583 LiChrospher RP-18, 5um, 250 x 3mm 26 580,96 Kč