CombiPack: wall hung WC Product Details Company Name Alfoldi Brand Name FORMO Model Number 7060H1 Maximum Volume 3.4 litres Category WC Suites Product Description CombiPack: wall hung WC Available In Hungary Efficiency Rating Chart Company name:Alfoldi Model:7060H1 3.4 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.