Check Valve Cartridge, 2/pk Back Catalog number: CTS-10600 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-A11094-02 UPLC Primary Check Valve Assy, 2/pk Price on request CTS-12016 Compression Screw, 1/16", SS, 10/pk Price on request CTS-21171 Rotor Seal, H-Assy, 6 Port 2-Position Price on request