Cartridge, BioAcquity, I2V Back Catalog number: CTS-21192 Availability: In the manufacturer's stock Price on request - + Recommended CTS-21012 Compression Screws & Ferrules, 1/16", SS, 5/pk Price on request CTS-2294 Plunger Seal Price on request CTS-11149 Needle Seal O-Ring, 002 Kalrez Price on request