Outlet Check Valve Back Catalog number: CTS-A157 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-5669 Oil Seal Price on request CTS-6809 Mobile Phase Transfer Line, TFE, 3/16" OD x 1/8" I Price on request CTS-3195 250μL Syringe Tip Price on request