Humidifiers are too big sometimes and it's hard to carry one around. That is why I choose Air O Swiss humidifier because they have humidifier at all types of sizes.

My personal favorite is the one that I have been using for many years which is the Ultrasonic 7133. This humidifier is quite old but it is the best affordable humidifiers that I can get. and it is still great compared to the newer ones. One thing that I like about this the Ultrasonic 7133 is that it runs quietly and I can relax an...