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-21129 Check Valve, Ti, Price on request CTS-12015 Rotor Seal & Pod Repair Kit, Vespel, 3-Groove, 3 p Price on request PS7050600 MarvelXACT™ PEEKsil™ 50µm ID x 600mm Price on request