Seal, Polyethylene, High Pressure, Piston Back Catalog number: 11-1602 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-1597 Piston Assembly, TZP Price on request CTS-1106 Inlet Tube Assembly Kit Price on request CTS-12016 Compression Screw, 1/16", SS, 10/pk Price on request