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 11-4179 HPV Rotor, SIL-30AC, SIL-30ACMP Price on request CTS-10694 Plunger Seal Price on request CTS-12015 Rotor Seal & Pod Repair Kit, Vespel, 3-Groove, 3 p Price on request