Toilet Flapper Flush Valve 1.High Flush Speed 2.Steady waterseal 3.Good sealing Description Flush valve (Flush flapper) ItemT8501MaterialABS,POM,PP,Speed2.8L/SStructureTwo-piece , One-pieceTypeBottom fillingAdvantageBig adjustment for full flush and partial flushRemark Overflow tubes in differnt heights to be selected for primer connectorFlush disk can rotate 360° Flapper Flush Valve