The device is made of all-natural materials and has been shown in studies not to cause side effects. This product is recommended by a dentist and comes with a 60-day guarantee. Now you can clear out, strengthen and expand your lungs naturally without the need for drugs, chemicals, or steroids. AirPhysio is a customer-oriented company with one goal: to make customers' lives easier. Thomas J. Mortensen, J., Falk M. AirPhysio creates a positive pressure in the lungs, and airway, when it is used to breathe. AirPhysio, a portable Oscillating Negative Expiratory Pressure device that supports better breathability, is portable and handheld. AirPhysio enabled her to be completely free from the disease. Reviews, breathing exercises, and educational videos can be found on this channel. This can lead to serious complications that can prove fatal. The device continues to be used, which is similar to going to a gym.