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-21469 250 μL Syringe, High Pressure Price on request CTS-10573 Injection Valve Rotor Seal Price on request CTS-11335 ACQUITY H-Class QSM Performance Maintenance Kit Price on request