✅ AIRPHYSIO’S 1 SELLING DEVICE- The Average Lung Capacity device is suited to assist people with a range of respiratory conditions, even those who may consider themselves 'acute or severe' ✅ TREATMENT & PREVENTATIVE for the following medical conditions: Asthma, Atelectasis, Bronchiectasis, Chronic Obstructive Pulmonary Disease (COPD) – Emphysema and Chronic Bronchitis, Cystic Fibrosis, Emphysema and many more respiratory conditions. ✅ CLEARS THE AIRWAY- The Oscillating Positive Expiratory Pressure (OPEP) of the device helps loosen the bond of the mucus to the airway walls through vibration, while the positive pressure helps push the mucus up and out of the body, helping the body’s natural mucus clearance process. ✅ AWARD WINNING & Made in Australia, NOT China and featured on TV -Channel 7 News ✅ NO ONGOING COSTS- No drugs, no batteries, no refills and no liquids required ✅ QUICK TO USE- most people only need to use for 1- 5 minutes, 1-2 times per day ✅ SUITS MOST PEOPLE- Will assist better breathing for the following people: Children, Adults, Elderly, Smokers, Swimmers & Deep Sea Divers, Athletes, Singers, Wind Instrument Musicians ✅ FILTER AVAILABLE- External disposable filters are optional only and not required for the device to operate.  Filters capture toxins and need only purchased separately if wanting the most hygienic lungs possible. The longevity of a single filter varies based on one's current condition and should be discarded once contaminated- see separate listing