Gold Plunger Seal, Analytical Heads Back Catalog number: CTS-10548 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-10493 Check Valve Cartridge, 2/pk Price on request CTS-A106 Rotor Seal Price on request CTS-11119-02 Head Plunger Seal, 2/pk Price on request