UPLC Check Valve Assy, Spring Loaded Back Catalog number: CTS-21100 Availability: In the manufacturer's stock Price on request - + Recommended CTS-0012 Insert Seal Parts Kit Price on request CTS-10711 Alliance Head Plunger Seal Kit, Black, 2/pk Price on request PL7050600 MarvelXACT PLS 50µm x 600mm Price on request