Sapphire Plunger Back Catalog number: CTS-2369 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-A11336-02 Cartridge, Intelligent Valve, 2/pk Price on request 11-2587 Piston Seal Wash Seal/Priming Valve Seal Price on request CTS-0621 Inlet Check Valve Cartridge Price on request