Seal, GFP, High Pressure, Piston Back Catalog number: 11-1601 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-10758 Pump Seals, High Pressure Price on request CTS-11335 ACQUITY H-Class QSM Performance Maintenance Kit Price on request CTS-A11095 Check Valve, Double Ball & Seat Price on request