Check Valve Assembly, Inlet Back Catalog number: 11-1598 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-21240 ACQUITY I-Class SM-FTN Performance Maint. Kit,2890 Price on request 11-3602 Tubing, Pump Outlet, GP Price on request CTS-10584 Ceramic Plunger Assembly Price on request