Rotor Seal, 2-Groove Back Catalog number: CTS-21163 Availability: In the manufacturer's stock Price on request - + Recommended CTS-10989 Face Seals, 4/pk Price on request CTS-21100 UPLC Check Valve Assy, Spring Loaded Price on request CTS-A11372 Tube Assy, Transducer to Check Valve, I2V Price on request