Check Valve Assembly, Outlet Back Catalog number: 11-1599 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-11313 PEEK™ Rotor, LPV Price on request CTS-10761 HPMV 1 & 2 Rebuild Kit w/Spool Price on request CTS-10759 Piston Seal Backup Ring Price on request