Rotor Seal, 6 port, Rear Back Catalog number: CTS-21164 Availability: In the manufacturer's stock Price on request - + Recommended CTS-21280 Lamp, ACQUITY Arc/UPLC PDA Performance Maintenance Price on request CTS-A11095 Check Valve, Double Ball & Seat Price on request CTS-11313 PEEK™ Rotor, LPV Price on request