Needle Seal (For pH 1-14, for operation up to 130 Back Catalog number: CTS-21089 Availability: In the manufacturer's stock Price on request - + Recommended CTS-A11372 Tube Assy, Transducer to Check Valve, I2V Price on request 11-3601 ACQUITY H SM-FTN Performance Main. Kit,700005236 n Price on request CTS-21129 Check Valve, Ti, Price on request