Plunger Seal Back Catalog number: CTS-2294 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-2588 Main Piston Seal Price on request CTS-21100 UPLC Check Valve Assy, Spring Loaded Price on request CTS-21567 PM Kit, Seal Wash for Binary Pump G4240A Price on request