Cartridge, BioAcquity, I2V Back Catalog number: CTS-21192 Availability: In the manufacturer's stock Price on request - + Recommended CTS-11425 Sapphire Plunger Price on request CTS-A11336-02 Cartridge, Intelligent Valve, 2/pk Price on request CTS-11335 ACQUITY H-Class QSM Performance Maintenance Kit Price on request