Floor-standing close-coupled WC-suites Product Details Company Name Villeroy & Boch AG Brand Name ARCHITECTURA Model Number 567710 Maximum Volume 3.75 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:Villeroy & Boch AG Model:567710 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.