Concealed cistern, 4/2.6litres dual flush with pneumatic operation and a conventional side supply fill valve Product Details Company Name Armitage Shanks Brand Name Conceala Model Number S365867 Maximum Flow Rate 2.95 litres Maximum Volume 4/2.6 litres Category Cisterns Available In United Kingdom Efficiency Rating Chart Company name:Armitage Shanks Model:S365867 2.95 litres