3mL Cartridge w/500mg Amberlite XAD-7, 50/pk Back Catalog number: 2193 Availability: In the manufacturer's stock Price on request - + Recommended 730084 Chromab. columns C6H5, 3mL, 500mg 146,01 € 730013.250 Chromab. columns C18 ec, 3mL,500mg,BIG 580,47 € 731775 Chromafix HR-XCW (M) 260,69 €