The Ideal Standard Prosys 80 is a space-saving built-in flush cistern for wall-mounted toilets with a tank thickness of only 74 mm. It features a mechanical pre-selection drive control, which can be switched to pneumatic or electric operation, and a dual flush with a factory setting of 6.3 liters. The robust polypropylene cistern has an anti-condensation coating, is temperature-resistant, and is designed for pressures ranging from 0.1 to 16 bar. The galvanized steel frame system supports loads of up to 400 kg and includes all necessary installation components such as connection pipes, seals, and wall mounting.