The scorching summer heat won�t be a hassle anymore, thanks to the Symphony Diet 3D 20i Tower Air Cooler. Courtesy of its large tank capacity of up to 40 L, this air cooler offers optimal performance without constantly having to refill the tank. This air cooler can cool rooms of up to 13 square metres in size. Moreover, with a power consumption of only around 145 W, this air cooler helps you keep your electricity costs low.