Outlet Check Valve Assembly Back Catalog number: CTS-0721 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-3883 Needle Assembly Price on request CTS-21089 Needle Seal (For pH 1-14, for operation up to 130 Price on request CTS-21277 Needle Seat, 0.12mm ID, 0.8mm OD, PEEK, 600 bar Price on request