Sapphire Plunger Back Catalog number: CTS-10319 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-10560 Seal Wash Plunger Seal, Alliance, 2/pk Price on request 11-1601 Seal, GFP, High Pressure, Piston Price on request CTS-5669 Oil Seal Price on request