Plunger Seal and Back Up Ring Back Catalog number: 11-4126 Manufacturer: SCIENCIX Availability: In the manufacturer's stock Price on request - + Recommended CTS-00230-02 O-Ring, PTFE Price on request CTS-10963 Gold Plunger Seal Price on request 11-2587 Piston Seal Wash Seal/Priming Valve Seal Price on request