Just Nebulizers: Omron Micro-Air Electronic Nebulizer 

justnebulizers.... The Omron Micro-Air NE-U22V Electronic Nebulizer System is the smallest, lightest, and most portable nebulizer system available today. It only weighs 6 oz! Using its Vibrating Mesh Technology (V.M.T), the NE-U22V boasts a 98% medication delivery rate.
With 3 power options; AA Batteries, AC Adapter, and DC Adapter, the Micro-Air can literally be used anywhere. And at about the size of an eye glass case, can easily be taken anywhere.
The Omron Micro-Air NE-U22V includes the main nebulizer unit, unit cover, medication cup, mesh cap, mouthpiece/mask adapter, mouthpiece, carrying case and instructional video.