Outlet Check Valve Back Catalog number: CTS-A11187 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-A11342 Tube Assembly, Transducer to Check Valve Price on request CTS-10839 Seal Pack Rebuild Kit Price on request 11-1602 Seal, Polyethylene, High Pressure, Piston Price on request