3mL Cartridge w/500mg Amberlite XAD-7, 50/pk Back Catalog number: 2193 Availability: In the manufacturer's stock Price on request - + Recommended 12102068 Bond Elut-SI, 50mg 1mL, 100/PK 169,89 € 730070G Chromab. columns SiOH, 6mL, 500mg, 30 227,10 € 14256012 HF Mega BE-NH2, 1gm 6mL, 30/PK 207,17 €