Inlet Check Valve Back Catalog number: CTS-A145 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-4180 LPV Rotor, SIL-30AC, SIL-30ACMP Price on request CTS-A121 Outlet Check Valve Price on request CTS-10988 2690/2695 Performance Maintenance Kit Price on request