Inlet Check Valve Back Catalog number: CTS-21145 Availability: In the manufacturer's stock Price on request - + Recommended CTS-A11372 Tube Assy, Transducer to Check Valve, I2V Price on request CTS-12016 Compression Screw, 1/16", SS, 10/pk Price on request CTS-10323 Sapphire Plunger Price on request