Seal, GFP, High Pressure, Piston Back Catalog number: 11-1601 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-11366 Piston, High Pressure Price on request CTS-A094 Check Valve Cartridge, 2/pk Price on request 11-4134 Rotor Seal & Pod Repair Kit, Vespel, 3-Groove for Price on request