Cartridge, BioAcquity, I2V Back Catalog number: CTS-21192 Availability: In the manufacturer's stock Price on request - + Recommended CTS-5669 Oil Seal Price on request CTS-21089 Needle Seal (For pH 1-14, for operation up to 130 Price on request CTS-2294-04 Plunger Seals, 4/pk Price on request