Cartridge Check Valve System Kit Back Catalog number: CTS-21011 Manufacturer: SCIENCIX Availability: In the manufacturer's stock Price on request - + Recommended CTS-10761 HPMV 1 & 2 Rebuild Kit w/Spool Price on request PS7050150 MarvelXACT™ PEEKsil™ 50µm ID x 150mm Price on request CTS-5746 Reference Valve Rebuild Kit Price on request