UPLC Check Valve, Double Ball & Seat, 2/pk Back Catalog number: CTS-A11095-02 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-A168 250μL Syringe Price on request CTS-11335 ACQUITY H-Class QSM Performance Maintenance Kit Price on request CTS-11312 PEEK™ Rotor, HPV Price on request