Dual Flush Valve Size: 32 Mm, Body Width 75 To 80 Mm, Body Length 145 To 160 Mm. Concealed Body Material Brass (Cu 50 Percent To 63 Percent ) And Exposed Push Button Material Brass (Cu 50 Percent To 63 Percent ) With Mirror Finish (Silver). Basic Design As Per Attached Schematic Diagram Sketch No: Crws- Carp-001.