WC combination pan, Vario outlet, washdown flushing, open rimProduct Details Company Name Jika Brand Name Deep by JIKA Model Number H824644 Maximum Volume 3.75 litres Category WC Suites Efficiency Rating ChartCompany name:JikaModel:H824644 3.75 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.