Cartridge Check Valve System Kit Back Catalog number: CTS-21011 Manufacturer: SCIENCIX Availability: In the manufacturer's stock Price on request - + Recommended 11-4180 LPV Rotor, SIL-30AC, SIL-30ACMP Price on request 11-3889 Needle Seat Assembly, 0.12mm ID Price on request CTS-A125 Inlet Check Valve Assembly Price on request