Check Valve Assembly, Outlet Back Catalog number: 11-1599 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-12015 Rotor Seal & Pod Repair Kit, Vespel, 3-Groove, 3 p Price on request 11-4181 Seal Wash (0.0787 ID, Fixed), 2/pk Price on request CTS-11091 ACQUITY BSM Performance Maintenance Kit Price on request