Seal, GFP, High Pressure, Piston Back Catalog number: 11-1601 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-10759 Piston Seal Backup Ring Price on request 11-4121 Ceramic Plunger Holder Assembly, LC-10ADvp Price on request CTS-0069 Tubing, Head to Tee Price on request