3mL Cartridge w/500mg Amberlite XAD-7, 50/pk Back Catalog number: 2193 Availability: In the manufacturer's stock Price on request - + Recommended 731806 Chromafix C18 ec (L) 273,85 € 730024 Chromab. columns C8, 6mL, 500mg 99,58 € 730011MPS Chromab. columns C18 ec, 1mL, 100mg,MPS 307,04 €