O-Ring, PTFE Back Catalog number: CTS-00230-02 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-10285 TFE 3-Way Valve 4 (V4) Price on request 11-3602 Tubing, Pump Outlet, GP Price on request CTS-11010 515 Performance Maintenance Kit Price on request