Wallhung WC, rimlessProduct Details Company Name Jika Brand Name Pure Model Number H820424 Maximum Volume 3.38 litres Category WC Suites Available In Germany Spain United Kingdom Efficiency Rating ChartCompany name:JikaModel:H820424 3.38 litres www.uwla.eu 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.