Wallhung WC, rimlessProduct Details Company Name Jika Brand Name Deep by JIKA Model Number H820614 Maximum Volume 3.75 litres Category WC Suites Available In Belgium France Germany Ireland Italy Netherlands Efficiency Rating ChartCompany name:JikaModel:H820614 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.