AirPhysio employs an award-winning patented Oscillating Positive Expiratory Pressure (OPEP) approach to assist in improving breathing naturally. The gadget, which was developed and patented in ...
AirPhysio Oscillating Positive Expiratory Pressure Device is a handheld, portable OPEP that helps consumers to improve their short-term and long-term breathing, reducing the risk of many respiratory ...