Get cold and flu relief with the help of a Vicks® Cool Mist Humidifier. This 1.5 gallon humidifier has a natural evaporative action for soothing, healthful moisture. That’s good news for your nose. With two comfort settings and an easy-to-fill tank, this Vicks® Cool Mist Humidifier operates for 18 hours before it needs to be filled. Comes with a 3 year warranty.