Check Valve Cartridge, 2/pk Back Catalog number: CTS-10493 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-10761 HPMV 1 & 2 Rebuild Kit w/Spool Price on request CTS-A11336-02 Cartridge, Intelligent Valve, 2/pk Price on request CTS-21422 Needle Seal Kit Price on request