With the De'Longhi DNS80, you not only lower the humidity in the air, you improve the air quality as well. This dehumidifier has an EPA filter to filter dust and bacteria from the air. In addition, this dehumidifier has an ionization function that makes the dust heavier and land on the ground. That way you only have to vacuum it up with the vacuum cleaner. To reduce the humidity, choose one of the pre-programmed settings. For example, you choose the laundry drying program to dry the laundry mroe quickly. This dehumidifier is suitable for placing in an area up to 34 square meters and extracts a maximum of 20 liters of moisture per day.