Cartridge, BioAcquity, I2V Back Catalog number: CTS-21192 Availability: In the manufacturer's stock Price on request - + Recommended CTS-10600 Check Valve Cartridge, 2/pk Price on request CTS-6613 Black Plunger Seal Price on request 11-4121 Ceramic Plunger Holder Assembly, LC-10ADvp Price on request