3mL Cartridge w/500mg Amberlite XAD-7, 50/pk Back Catalog number: 2193 Availability: In the manufacturer's stock Price on request - + Recommended 12256001 Mega BE-C18, 1gm 6ml, 30/pk 170,95 € 730425 Chromab. columns SA, 6mL, 500mg 123,14 € 12256007 Bond Elut-2OH, 1gm 6mL, 30/PK 217,83 €