Inlet Check Valve Assembly Back Catalog number: CTS-0720 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-11010 515 Performance Maintenance Kit Price on request CTS-10396 Washer Thermo/Dionex™ Model: P1000, P2000, P4000 Price on request CTS-A121 Outlet Check Valve Price on request