Outlet Check Valve Back Catalog number: CTS-A103 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-11149 Needle Seal O-Ring, 002 Kalrez Price on request CTS-10963 Gold Plunger Seal Price on request 11-4122 PTFE Diaphragm, LC-30AD/i-Series, 2/pk Price on request