Cartridge, BioAcquity, I2V Back Catalog number: CTS-21192 Availability: In the manufacturer's stock Price on request - + Recommended 11-2569 Seal Extension Tube Price on request CTS-A145 Inlet Check Valve Price on request 11-4122 PTFE Diaphragm, LC-30AD/i-Series, 2/pk Price on request