Guard Holder for 1mm, 2mm, 3mm, 4,6mm columns Back Catalog number: GCH01S Availability: In the manufacturer's stock Price on request - + Recommended 79365 PRP-X100 10µm 4.1x50mm Price on request 827975-912K SB-Phenyl, 4.6 x 50mm, 1.8um, MVK 55 081,10 Kč 40018-05P-2 Cogent Bidentate C18, 50mm x 2.1mm, 4µm Price on request