Guard Holder for 1mm, 2mm, 3mm, 4,6mm columns Back Catalog number: GCH01S Availability: In the manufacturer's stock Price on request - + Recommended 760401.40 EC 100/4 NUCLEODUR C18 Isis, 3 µm 18 233,00 Kč 760800.30 EC 50/3 NUCLEODUR SPHINX RP, 5 µm 12 394,00 Kč 720120.40 EC 150/4 NUCLEOSIL 100-5 C18 8 998,00 Kč