Cartridge, Intelligent Valve, 2/pk Back Catalog number: CTS-A11336-02 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-11093-02 Plunger, 2/pk Price on request 11-1602 Seal, Polyethylene, High Pressure, Piston Price on request CTS-11366 Piston, High Pressure Price on request