Plunger Seal Back Catalog number: CTS-10340 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-4181 Seal Wash (0.0787 ID, Fixed), 2/pk Price on request CTS-A11336-02 Cartridge, Intelligent Valve, 2/pk Price on request CTS-0069 Tubing, Head to Tee Price on request