Wall-Hung IN-Tank WC Suite with 4.5/3 litre dual flush Product Details Company Name Roca Sanitario S.A. Brand Name In-Tank Meridian Model Number A893302000 Maximum Flow Rate 3.38 litres Maximum Volume 4.5/3 litres Category WC Suites 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:Roca Sanitario S.A. Model:A893302000 3.38 litres The average flushing volume for dual flush WC Suites and Cisterns is calculated as (a + (3 × b)) ÷ 4, where a is the full flush value and b is the low flush value.