3mL Cartridge w/500mg Amberlite XAD-7, 50/pk Back Catalog number: 2193 Availability: In the manufacturer's stock Price on request - + Recommended 730077.250 Chromab. columns SA, 3mL, 500mg, BIG 734,40 € 730024 Chromab. columns C8, 6mL, 500mg 98,52 € 730077 Chromab. columns SA, 3mL, 500mg 183,84 €