3mL Cartridge w/500mg Amberlite XAD-7, 50/pk Back Catalog number: 2193 Availability: In the manufacturer's stock Price on request - + Recommended 731835 Chromafix SB (M) 211,06 € 730403 Chromab. columns C18 f, 6mL, 500mg 99,32 € 2416 6mL Cartidge w/20u PE Frit, 100/pk Price on request