Sapphire Plunger Back Catalog number: CTS-5656 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-A11431-02 Cartridge Check Valve Housing, 2/pk Price on request CTS-11141 ACQUITY SM Performance Maintenance Kit, 700005236 Price on request CTS-0720 Inlet Check Valve Assembly Price on request