UPLC Check Valve Assy, Spring Loaded Back Catalog number: CTS-21100 Availability: In the manufacturer's stock Price on request - + Recommended CTS-11149 Needle Seal O-Ring, 002 Kalrez Price on request PS7025150 MarvelXACT™ PEEKsil™ 25µm ID x 150mm Price on request CTS-A11142 Tube Assy, Inject Outlet Price on request