Inlet Check Valve Back Catalog number: CTS-A117 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-21577 PM Kit, G1367E Price on request CTS-11149 Needle Seal O-Ring, 002 Kalrez Price on request CTS-A11372 Tube Assy, Transducer to Check Valve, I2V Price on request