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-10693 Plunger Seal Price on request CTS-21145 Inlet Check Valve Price on request PS7075150 MarvelXACT™ PEEKsil™ 75µm ID x 150mm Price on request