Is the environment of your house too dry? The Perfect Aire 0.5-gallon ultrasonic humidifier delivers the perfect combination of healthy and fresh air to any household. It is specially designed to prevent dry skin, relieve allergy symptoms, humidify small to medium spaces, as well fill the air with essential oils. This tabletop humidifier features Micro Mist technology with cool mist and a 50-hour run time. Boasting whisper-quiet operation and a 360-degree output direction, this tabletop humidifier is surprisingly powerful and is guaranteed to create a comfortable living environment.