Here is a good and cheap source for nebulizers
I have both the ultrasonic and the hand held 
The ultr sonic is 84.95 but requires hot water under the medication bowel
The hand held is 58.95 (I like this the best) I got the option for 12 volt
DC 
use (for auto and boat)
any questions you can send direct
[email protected]
I got these when I researched prices
Last year we had a problem with mold growing in basement (at work)
This cause me a lot of problems till OSHA was called in

  Bob

  
 
 http://www.portablenebs.com/