Plunger Seal Back Catalog number: CTS-2294 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-10566 Alliance Head Plunger Seal Kit, 2/pk Price on request 11-1601 Seal, GFP, High Pressure, Piston Price on request CTS-10600 Check Valve Cartridge, 2/pk Price on request