3mL Cartridge w/500mg Amberlite XAD-7, 50/pk Back Catalog number: 2193 Availability: In the manufacturer's stock Price on request - + Recommended 12001 C18Octadecyl18%100mg/1mL 100/box 229,94 € 731831 Chromafix SA (S) 181,06 € 12102144 Bond Elut-SAX, 500mg 6mL, 30/PK 158,02 €