Check Valve Cartridge, 2/pk Back Catalog number: CTS-10493 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-21278 Rotor seal, Injector Valve 1300 bar, G7167B Price on request CTS-A11094-02 UPLC Primary Check Valve Assy, 2/pk Price on request CTS-11222 Seal Pack Assembly Kit Price on request