TSKgel PWXL Guard Column, 4cm × 6mm, 12μm Back Catalog number: 08033 Availability: In the manufacturer's stock Price on request - + Recommended PL1170-1830 PL Hi-Plex H Guard Column 50X7.7mm 491,66 € 419910-301 Agilent Prep-sil column,30.0x100mm,10u 3 074,45 € A5210250X046 MetaCarb 87H Column 250 x 4.6mm 2 197,70 €