1. They are not well-balanced, and they vibrate
2. They are noisy, unlike the Aerogen which is virtually silent.
3. They have a thermal shut down device which functions juat as you are getting
good output.
4. I have had my Aerogen 6 since 1997 and it has performed flawlessly.

John

Doug wrote:
If you are in Trinidad, why don't you own a KISS? Much better than
an Aerogen.