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-A11133 Tube Assembly, Transducer to Check Valve Price on request 228-35146-00ASP Plunger Seal for Shimadzu Price on request 11-4122 PTFE Diaphragm, LC-30AD/i-Series, 2/pk Price on request