Check Valve Assembly, Outlet Back Catalog number: 11-1599 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-4073 LC-30AD Plunger Holder Assembly, UHP2 (w/Diaphragm Price on request 11-1600 Check Valve, Secondary Inlet Price on request CTS-21264 Uncoated Needle Kit Price on request