Plunger Seal Back Catalog number: CTS-10694 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-11091 ACQUITY BSM Performance Maintenance Kit Price on request CTS-5313 Compression Screw, SS Price on request CTS-A11095-02 UPLC Check Valve, Double Ball & Seat, 2/pk Price on request