Last year we reviewed the PowerLung, an effective device that gives your lungs a workout and improves lung capacity, oxygen intake, shortness of breath, etc. We discussed how they work, benefits, and why PowerLung is superior to their competitors. We continue to receive questions from our customers about specific competing models, so here we are providing a more in-depth look at Powerlung vs. others on the market such as UltraBreathe, Expand-a-Lung, SportsBreather, PowerBreathe, [Read more…]