Concealed cistern, 4.5 litres single flush with Sensorflow operation and a conventional side supply fill valve Product Details Company Name Armitage Shanks Brand Name Conceala Model Number S359967 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:S359967 4.5 l/min