Cartridge, BioAcquity, I2V Back Catalog number: CTS-21192 Availability: In the manufacturer's stock Price on request - + Recommended CTS-10770 Waste Valve, V3 (2 Way Solenoid Valve) Price on request 11-3602 Tubing, Pump Outlet, GP Price on request CTS-A11372 Tube Assy, Transducer to Check Valve, I2V Price on request