Low level 6/4 litres dual flush cistern. Product Details Company Name Thomas Dudley Ltd Brand Name Diplomat Model Number PDIWHS319217 Maximum Flow Rate 4.5 litres Maximum Volume 6/4 litres Category Cisterns Available In Belgium Denmark Finland France Germany Hungary Ireland Italy Netherlands Portugal Romania Russia Spain Sweden Switzerland Turkey United Kingdom Efficiency Rating Chart Company name:Thomas Dudley Ltd Model:PDIWHS319217 4.5 litres