305mm High, Close coupled 4.5 litres single flush with delayed action fill valve and Spatula lever Product Details Company Name Armitage Shanks Brand Name Contour 21 schools Model Number S3046, S3696 Maximum Flow Rate 4.5 l/min Maximum Volume 4.5 litres Category WC Suites Available In United Kingdom Efficiency Rating Chart Company name:Armitage Shanks Model:S3046, S3696 4.5 l/min 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.