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 11-3332 100μL Syringe for WPS-3000 Series Price on request CTS-3209 Syringe Seal, 250μL/2500μL Price on request CTS-0621 Inlet Check Valve Cartridge Price on request