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) 278,85 € 12166008B Bond Elut Jr-SI, 1000mg, 100/pk 379,45 € 730079 Chromab. columns SB, 3mL, 500mg 189,07 €