Rotor Seal, 6 port, -COH Back Catalog number: CTS-21085 Availability: In the manufacturer's stock Price on request - + Recommended CTS-21075 Tube Assy, BSM Outlet to SM Price on request CTS-21240 ACQUITY I-Class SM-FTN Performance Maint. Kit,2890 Price on request CTS-A11095 Check Valve, Double Ball & Seat Price on request