Outlet Check Valve Back Catalog number: CTS-A103 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-21171 Rotor Seal, H-Assy, 6 Port 2-Position Price on request CTS-5746 Reference Valve Rebuild Kit Price on request 11-4134 Rotor Seal & Pod Repair Kit, Vespel, 3-Groove for Price on request