Check Valve Assembly, Inlet Back Catalog number: 11-1598 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-2525 1/4" Short Comp. Screw (Gold-Plated), 10/pk Price on request 11-3834 Pump Seal, PE Price on request CTS-10573 Injection Valve Rotor Seal Price on request