Seal, Wash Back Catalog number: 11-1603 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-21277 Needle Seat, 0.12mm ID, 0.8mm OD, PEEK, 600 bar Price on request CTS-10758 Pump Seals, High Pressure Price on request 11-3883 Needle Assembly Price on request