Cartridge, Intelligent Valve, 2/pk Back Catalog number: CTS-A11336-02 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-4181 Seal Wash (0.0787 ID, Fixed), 2/pk Price on request CTS-21164 Rotor Seal, 6 port, Rear Price on request CTS-11091 ACQUITY BSM Performance Maintenance Kit Price on request