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 11-4126 Plunger Seal and Back Up Ring Price on request CTS-21109 Capillary, 600mm x 0.17mm ID Price on request CTS-A11151 Needle Assembly, PEEK™ Price on request