Rotor Seal & Pod Repair Kit, Vespel, 3-Groove for Back Catalog number: 11-4134 Manufacturer: SCIENCIX Availability: In the manufacturer's stock Price on request - + Recommended CTS-11435 Seal, Needle PEEK™ Price on request CTS-21089 Needle Seal (For pH 1-14, for operation up to 130 Price on request CTS-5746 Reference Valve Rebuild Kit Price on request