Cartridge, Intelligent Valve, 2/pk Back Catalog number: CTS-A11336-02 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-21264 Uncoated Needle Kit Price on request CTS-10984 Sparge Diffuser Price on request 11-4179 HPV Rotor, SIL-30AC, SIL-30ACMP Price on request