Special aerator (Flow rate: 16lt / min) Special cartridge with temperature and flow rate adjustment Spout length 167 mm Battery connection threads 3/4 ″ Eccentric connecting threads 3/4 ″ -1/2 ″ Spiral hose connection threads 1/2 ″ Ideal working pressure 3-4 Bar It is recommended to use a filtered intermediate tap with the product in order to prevent the damage of any kind of pollution that may occur in the installation.