Cartridge, Intelligent Valve, 2/pk Back Catalog number: CTS-A11336-02 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-A11133 Tube Assembly, Transducer to Check Valve Price on request CTS-21347 Plunger Seal Price on request 11-1599 Check Valve Assembly, Outlet Price on request