UPLC Check Valve Assy, Spring Loaded Back Catalog number: CTS-21100 Availability: In the manufacturer's stock Price on request - + Recommended CTS-11425 Sapphire Plunger Price on request CTS-10686 Needle Seal, Vespel® Price on request PS7050600 MarvelXACT™ PEEKsil™ 50µm ID x 600mm Price on request