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-21577 PM Kit, G1367E Price on request CTS-1106 Inlet Tube Assembly Kit Price on request 11-4134 Rotor Seal & Pod Repair Kit, Vespel, 3-Groove for Price on request