Seal, GFP, High Pressure, Piston Back Catalog number: 11-1601 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-21164 Rotor Seal, 6 port, Rear Price on request CTS-10548 Gold Plunger Seal, Analytical Heads Price on request 11-3897 Plunger Holder Price on request