Outlet Check Valve Cartridge Back Catalog number: CTS-0620 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-A11372 Tube Assy, Transducer to Check Valve, I2V Price on request CTS-11312 PEEK™ Rotor, HPV Price on request CTS-11294 1515 Performance Maintenance Kit Price on request