<p>[Amazon.com</a> - Air-O-Swiss AOS 7146 Travel Ultrasonic Humidifier - Cool Mist](<a href=“http://www.amazon.com/Air-O-Swiss-7146-Travel-Ultrasonic-Humidifier/dp/B001JL4LZ4]Amazon.com”>http://www.amazon.com/Air-O-Swiss-7146-Travel-Ultrasonic-Humidifier/dp/B001JL4LZ4) I got one of these when my daughter was auditioning. Later, I bought second one for her sister’s dorm room at CVS for a cheaper price (they seem quite similar. )</p>