Concealed cistern, 4.5 litres single flush with Sensorflow operation and a delayed action bottom supply fill valve Product Details Company Name Armitage Shanks Brand Name Conceala Model Number S360467 Maximum Flow Rate 4.5 l/min Maximum Volume 4.5 litres Category Cisterns Available In United Kingdom Efficiency Rating Chart Company name:Armitage Shanks Model:S360467 4.5 l/min