During the dry winter months, these humidifiers are so nice to have on hand! Amazon has the PureGuardian Ultrasonic Cool Mist Humidifier for only $24.74! (Reg. $35) This comes with a†.5 gallon tank provides up to 30-hours of run time and is great for small sized rooms.†Keep in mind, Amazon pricing can change at any time! Donít wait to purchase this deal or it might be gone when you come back!