3mL Cartridge w/500mg Amberlite XAD-7, 50/pk Back Catalog number: 2193 Availability: In the manufacturer's stock Price on request - + Recommended 731833 Chromafix SA (L) 287,30 € 731776 Chromafix HR-XCW (L) 341,17 € 731804 Chromafix C18 ec (S) 175,34 €