PTFE Diaphragm, 2/pkHPLC Replacement Parts, Pump Parts SpecificationsW&B Part #WB11128913Comp. to OEM #228-32784-91, Old # 228-24311-01, 228-31828-00Product DetailsPTFE Diaphragm, 2/pkCompatibilityBrands (OEMs)ModelsShimadzuLC-10AD, LC-10ADvp, LC-20AD/AB, LC-20ADXR, LC-30ADSF, LC-2010, LC-2010 HT