The Honeywell cool moisture humidifier increases the level of moisture in your indoor air for easier breathing. It helps relieve cold, cough and flu symptoms. With 3 fan speed settings, it offers customized humidifying. This evaporative humidifier has the Automatic Moisture Balance System that helps maintain the right amount of moisture in the air. It"s ideal for humidifying rooms of 300-500 square feet and has a maximum moisture output capacity of 2 gallons on a single fill. This cool-mist humidifier has an antibacterial filter to hamper the growth of bacteria. Its easy-to-carry handles allow for effortless transport.