All of our products are covered by a manufacturer warrantyDue to hygiene concerns, returns of used working devices are not permitted. FDA and Health Canada approved research have not verified the efficacy or safety of these products. I was able, in one use, to remove a lot o my mucus. Global news, New York City NY. According to the study almost 40 million Americans suffer a certain type of lung disease. The device helps reduce lung fluids, clears air passages, and prevents the development of pulmonary edema. The lights were on, there was cool air, but no one could hear us. This device can expand the nose and clean out any pollutants. The device comes in different sizes, and can be customized for athletes or children. These devices were studied in published medical research and proved to be at best somewhat effective. These criteria are partly based on the results of a breathing test called "spirometry". Life Wellness also created a YouTube channel as part its customer service focus. Roughly 16 million Americans are estimated to have the chronic inflammatory disease, which is more common in middle-aged or older people.