TSKgel PWXL Guard Column, 4cm × 6mm, 12μm Back Catalog number: 08033 Availability: In the manufacturer's stock Price on request - + Recommended 440905-802 Agilent Prep-C18 prep col,10x250mm,5u 1 653,20 € 413910-502 Agilent Prep-C18 column,50x150mm, 10u 8 181,82 € 449905-501 Agilent Prep-sil column,50.0x100mm,5u 6 546,53 €