3mL Cartridge w/500mg Amberlite XAD-7, 50/pk Back Catalog number: 2193 Availability: In the manufacturer's stock Price on request - + Recommended 75503050 Tubes, VersaPlate-C8, 50mg, 96/PK 312,15 € 731745 Chromafix HR-X (L) 273,19 € 730003 Chromab. columns C18, 3mL, 500mg 146,95 €