Inlet Check Valve Cartridge Back Catalog number: CTS-0621 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-21564 Needle, Uncoated 10 Series Price on request CTS-6809 Mobile Phase Transfer Line, TFE, 3/16" OD x 1/8" I Price on request 11-2529 Screw, Comp., 10-32, 304SS, (Gold-Plated), 10/pk Price on request