Cartridge, Intelligent Valve, 2/pk Back Catalog number: CTS-A11336-02 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-1603 Seal, Wash Price on request CTS-21085 Rotor Seal, 6 port, -COH Price on request 11-1598 Check Valve Assembly, Inlet Price on request