Rotor Seal, 6 port, -COH Back Catalog number: CTS-21085 Availability: In the manufacturer's stock Price on request - + Recommended CTS-11335 ACQUITY H-Class QSM Performance Maintenance Kit Price on request 11-3889 Needle Seat Assembly, 0.12mm ID Price on request CTS-A11372 Tube Assy, Transducer to Check Valve, I2V Price on request