Guard Holder for 1mm, 2mm, 3mm, 4,6mm columns Back Catalog number: GCH01S Availability: In the manufacturer's stock Price on request - + Recommended 88665 Prevail 5µm Amide Column 250 x 4.6mm Price on request 575250-906 ZORBAX Eclipse Plus C8,30x250mm,5µm 9 547,55 € 959743-906 Eclipse Plus C8,2.1x50mm,3.5um 668,18 €