Needle Seat, 0.12mm ID, 0.8mm OD, PEEK, 600 bar Back Catalog number: CTS-21277 Availability: In the manufacturer's stock Price on request - + Recommended CTS-11366 Piston, High Pressure Price on request CTS-A094 Check Valve Cartridge, 2/pk Price on request 11-2588 Main Piston Seal Price on request