Guard Holder for 1mm, 2mm, 3mm, 4,6mm columns Back Catalog number: GCH01S Availability: In the manufacturer's stock Price on request - + Recommended 959758-912K RRHD Ecl. Plus Ph-Hex,2.1x100,1.8um,MVK 2 483,58 € A2005050X030 Polaris 3 Si 50 x 3.0mm 572,79 € 79925SB-58K Lichrospher select B 5um 250x4mm 3/PK 2 088,06 €