Outlet Check Valve Back Catalog number: CTS-A157 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-A11372 Tube Assy, Transducer to Check Valve, I2V Price on request CTS-10324S Seal Pack w/Needle Price on request CTS-A11151 Needle Assembly, PEEK™ Price on request