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 PL7025350 MarvelXACT PLS 25µm x 350mm Price on request CTS-A11342 Tube Assembly, Transducer to Check Valve Price on request CTS-5559 Priming Syringe Needle Price on request