Fill your lungs with a deep breath & hold it for 2-3 seconds.
Insert AirPhysio device into your mouth and exhale through it for 3-5 seconds, or until your lungs are empty. Take it easy and don't push yourself too hard*.
After exhaling through Airphysio, you may feel mucus accumulating, cough to expel it.
Repeat the steps 2 times per minute for up to 5 minutes, taking two deep breaths in between.