Plunger Seal, Gold Back Catalog number: CTS-2962 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-10548 Gold Plunger Seal, Analytical Heads Price on request CTS-11366 Piston, High Pressure Price on request CTS-21463 Check Valve Cartridge, Ceramic, 2/pk Price on request