3mL Cartridge w/500mg Amberlite XAD-7, 50/pk Back Catalog number: 2193 Availability: In the manufacturer's stock Price on request - + Recommended 730014.250 Chromab. columns C18 ec, 6mL, 500mg,BIG 16 250,00 Kč 730003 Chromab. columns C18, 3mL, 500mg 3 692,00 Kč 731774 Chromafix HR-XCW (S) 5 902,00 Kč