Cartridge Check Valve System Kit Back Catalog number: CTS-21011 Manufacturer: SCIENCIX Availability: In the manufacturer's stock Price on request - + Recommended 11-1239 Ferrule, 1/16", SS, 10/pk Price on request CTS-11315 Needle Seal, PEEK™ SIL-20 Price on request CTS-10761 HPMV 1 & 2 Rebuild Kit w/Spool Price on request