Main Piston Seal Back Catalog number: 11-2588 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-21278 Rotor seal, Injector Valve 1300 bar, G7167B Price on request CTS-A11095-02 UPLC Check Valve, Double Ball & Seat, 2/pk Price on request 11-1596 Piston Assembly, Sapphire Price on request