Injection Valve Rotor Seal Back Catalog number: CTS-10573 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-2587 Piston Seal Wash Seal/Priming Valve Seal Price on request CTS-10396 Washer Thermo/Dionex™ Model: P1000, P2000, P4000 Price on request CTS-10759 Piston Seal Backup Ring Price on request