Seal, Polyethylene, High Pressure, Piston Back Catalog number: 11-1602 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-7162 Plunger Seal, Black Price on request CTS-A11431-02 Cartridge Check Valve Housing, 2/pk Price on request CTS-11297 Sapphire Plunger Price on request