Check Valve Cartridge, 2/pk Back Catalog number: CTS-A094 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-0721 Outlet Check Valve Assembly Price on request CTS-3209 Syringe Seal, 250μL/2500μL Price on request CTS-A11094-02 UPLC Primary Check Valve Assy, 2/pk Price on request