Check Valve, Secondary Inlet Back Catalog number: 11-1600 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-A11145 Tube Assy, System Outlet, SDS Price on request CTS-0721 Outlet Check Valve Assembly Price on request CTS-11119-02 Head Plunger Seal, 2/pk Price on request