Inlet Check Valve Back Catalog number: 11-4060 Manufacturer: SCIENCIX Availability: In the manufacturer's stock Price on request - + Recommended CTS-00230-02 O-Ring, PTFE Price on request CTS-21012 Compression Screws & Ferrules, 1/16", SS, 5/pk Price on request CTS-5464 Clip Ring, Plunger Retainer Price on request