Rotor Seal Back Catalog number: CTS-10942 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-1239 Ferrule, 1/16", SS, 10/pk Price on request CTS-10548 Gold Plunger Seal, Analytical Heads Price on request CTS-21010 Cartridge Check Valve Housing, 2/pk Price on request