Seal, Polyethylene, High Pressure, Piston Back Catalog number: 11-1602 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-A102 Inlet Check Valve Price on request CTS-10724 Injector Needle Price on request CTS-10711 Alliance Head Plunger Seal Kit, Black, 2/pk Price on request