Check Valve Assembly, Outlet Back Catalog number: 11-1599 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-21155 Capillary, 300mm x 0.17mm ID, w/Fittings Price on request 11-3834 Pump Seal, PE Price on request CTS-10761 HPMV 1 & 2 Rebuild Kit w/Spool Price on request