Caroma Aire Dual Flush Toilet Cistern 4.5 / 3 Litre White 234040W an economy integrated plastic cistern and toilet seat with flush fitting connection plate which conceals the flush pipe and water connection. Features a low profile lid design with chrome bezel and buttons. A one piece injection moulded tank with a well fitting removable lid housing and centrally positioned push buttons.The cistern incorporates a quiet inlet valve to reduce noise during the filling cycle. The dual flush outlet valve is operated by two clearly marked push buttons which offer the choice of half flush or full flush as required.