DONeX, SPE Clean-up Cartridge, 3ml, pk/5 Back Catalog number: 12735 Availability: In the manufacturer's stock Price on request - + Recommended 731745 Chromafix HR-X (L) 278,85 € 730299 Chromab. columns C18 Hydra, 6mL, 500mg 101,40 € 12213012 Bondesil-C18, 40um, 100gm 381,95 €