Outlet Check Valve Back Catalog number: 11-4063 Manufacturer: SCIENCIX Availability: In the manufacturer's stock Price on request - + Recommended CTS-10758 Pump Seals, High Pressure Price on request 11-2529 Screw, Comp., 10-32, 304SS, (Gold-Plated), 10/pk Price on request 11-4122 PTFE Diaphragm, LC-30AD/i-Series, 2/pk Price on request