O-ring, Viton™ (5.13 ID X 1.77W) Back Catalog number: CTS-21523 Availability: In the manufacturer's stock Price on request - + Recommended 5068-0123 Rotor 8 pos/9 Port Purge Valve, 1200 bar 20 373,12 Kč 5067-4793 Perist. pump (silicone tub.) w/ spring 1 418,18 Kč CTS-10722 Autosampler Preventative Maintenance Kit Price on request