Check Valve Cartridge, 2/pk Back Catalog number: CTS-10600 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-12015 Rotor Seal & Pod Repair Kit, Vespel, 3-Groove, 3 p Price on request CTS-00230-02 O-Ring, PTFE Price on request CTS-A11135 50μL Std. Zirconia Mixer Price on request