Easy to use Read more

This device is very easy to use and it's great for anyone who has breathing issues. Read more

After a week of using the device, I am finding that it is doing its job of strengthening the muscles used for breathing. I feel it is helping me to breathe more deeply. Read more

Exhale phase works fine. On the Inhale phase, the valve locks upmaking it nearly impossible to inhale. Also. On the exhale, air comes out both sides. I cracked it open and sure enough. The inhale valve is installed incorrectly. See image. The manufacturer doesn’t seem to know how valves work. I suspect the valve may be installed incorrectly, but have been unable to get eyes inside it to check. I didn't even ask to return since my mouth had already been al over it. Read more

This is as described. Used for building up muscles around the lungs. Must use if regularly tho, as with most other physical therapy. Read more

Worked good Read more

Works well although the end attachment piece doesn't hold air in very well and it leaks air when doing breathing exercises. I use it without end piece and it feels better. This has helped my breathing/lung strength. I do twice a day for 10 in and out reps. Read more

This really help the lungs if you have that type of diagy Read more