3mL Cartridge w/500mg Amberlite XAD-7, 50/pk Back Catalog number: 2193 Availability: In the manufacturer's stock Price on request - + Recommended 730259 Chromab. columns C18 ec, 70mL, 10g 5 157,00 Kč 731776 Chromafix HR-XCW (L) 8 216,00 Kč 730015 Chromab. columns C18 ec, 6mL, 1000mg 3 120,00 Kč