Outlet Check Valve Back Catalog number: CTS-A157 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-21163 Rotor Seal, 2-Groove Price on request 11-4073 LC-30AD Plunger Holder Assembly, UHP2 (w/Diaphragm Price on request CTS-21591 PM Kit, G4226A Price on request