UPLC Check Valve Assy, Spring Loaded Back Catalog number: CTS-21100 Availability: In the manufacturer's stock Price on request - + Recommended CTS-5464 Clip Ring, Plunger Retainer Price on request CTS-A168 250μL Syringe Price on request CTS-A11431-02 Cartridge Check Valve Housing, 2/pk Price on request