Inlet Check Valve Assembly - Cartridge Type for ESA 580 & ESA 582 & SHIMADZU LC-9, LC-10AD, LC-600 & SHIMADZU LC-10 ADVP, LCMS 2010A, Prominence LC-20AD/B & SHIMADZU LC-10 AT & SHIMADZU LC-10 ATVP, Prominence LC-20AT & THERMO SEPARATIONS Surveyor LC