Cartridge Check Valve Housing, 2/pk Back Catalog number: CTS-A11431-02 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-7550 Performance Autosampler Needle Price on request 11-3602 Tubing, Pump Outlet, GP Price on request CTS-3195 250μL Syringe Tip Price on request