Seal, GFP, High Pressure, Piston Back Catalog number: 11-1601 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-3889 Needle Seat Assembly, 0.12mm ID Price on request CTS-20612 Plunger Seal, Black Price on request CTS-10475 Sapphire Plunger Kit Price on request