Outlet Check Valve Back Catalog number: CTS-A103 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-7550 Performance Autosampler Needle Price on request 11-4052 Needle Seal, SIL-30AC, SIL-30ACMP Price on request CTS-21262 Needle, Uncoated 20 Series Price on request