Today, Dec. 5, this Air-O-Swiss Ultrasonic Humidifier is on sale for $139.99 (reg. $199.99!). Even better, get FREE Super Saver shipping on a purchase of $35 or snag FREE 2-day shipping with Amazon Prime! Features of this humidifier include:

• Humidifies the air in rooms up to 600 sq ft (55m²)
• State-of-the-art design with surface touch controls
• AIR-O-SWISS ITC technology (Intelligent Temperature Compensation) automatically regulates the output to create the most comfortable relative humidity adjusted to the temperature in your room
• Sleep mode: the unit pre-determines a comfortable night humidity level
• Timer allows pre-set use for 1 to 8 hours or continuous operation