•Spacing chamber of 149 ml.
•Transparent
•Antistatic 
•For personal use
•Reduce the speed of the aerosol before being inhaled 
•Dynamic Flow Inspiratory Valve with Baffle,
suspends, filters and doses the particles, 
increasing pulmonary aerosol deposition
•EZ Flow expiratory valve
•Perfect seal mask
•Inspiratory flow indicator "Flow-Vu"
“Flow Signal” indicator (hiss) indicating a
inspiration too fast (Adult and Mouthpiece only)