TSKgel PWXL Guard Column, 4cm × 6mm, 12μm Back Catalog number: 08033 Availability: In the manufacturer's stock Price on request - + Recommended 440910-801 Agilent Prep-sil prep col,10x250mm,10u 34 791,12 Kč A5221 MetaCarb 87P Guard Column 50 x 4.6mm 11 362,68 Kč 446910-701 Agilent Prep-sil prep col,21.2x50mm,10u 32 840,64 Kč