Rotor Seal, 6 port, Rear Back Catalog number: CTS-21164 Availability: In the manufacturer's stock Price on request - + Recommended CTS-21287 Needle Kit, 15 µL with Needle Seat and Needle Guid Price on request CTS-21480 Check Valve, Cartridge Price on request CTS-21015 Ferrule, 1/16", SS, 3/pk Price on request