Check Valve, Double Ball & Seat Back Catalog number: CTS-A11095 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-4122 PTFE Diaphragm, LC-30AD/i-Series, 2/pk Price on request CTS-21277 Needle Seat, 0.12mm ID, 0.8mm OD, PEEK, 600 bar Price on request CTS-6809 Mobile Phase Transfer Line, TFE, 3/16" OD x 1/8" I Price on request