UPLC Check Valve, Double Ball & Seat, 2/pk Back Catalog number: CTS-A11095-02 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-11313 PEEK™ Rotor, LPV Price on request CTS-21240 ACQUITY I-Class SM-FTN Performance Maint. Kit,2890 Price on request CTS-A159 Inlet Check Valve Price on request