Flutter Valve Device for Lungs, Breathing Exercise Device, Adjustable Resistance Breathing Trainer for Natural Mucus(Strong)

Found this after my doctor recommended it to assist with my lung function. Easy to use. Good video on how to clean. Clear instructions and a good value. Well Designed an made with high quality.

ALL the information on the Flutter Valve was true to its last words. Great quality, easy to understand directions and ease of use. You can tell it will last a long time from the material it's made from. The price was great. I would definitely recommend it.

The AiraVentus Flutter Valve has really help with my breathing over time. I particularly like the adjustable resistance which allowed me to start at an easier setting and then allowed me to move up as my breathing improved. Also, unlike other valves, it is very easy to disassemble and clean in just a few minutes. It has been very effective in helping me to loosen and clear mucus. Definitely a high value product.

I was afraid the device would be hard to use and unpleasant but found the opposite. Very easy to use. You can adjust setting easily and really seems to do what it is supposed to do. You can feel your trachea and lungs vibrate to loosen the muck in your lungs. Easy to understand instructions

Works well! Easy to use and fits in my purse For travel.

This flutter valve device works great. I use it 2-3 times a day to help break up mucus and increase the inhalation and exhalation of my lungs. It has really helped my breathing and reduced my COPD symptoms. It’s very easy to use and is a super form of breathing exerciser.

It's okay but the ball bearing ones work better

This flutter valve device works great. I use it 2-3 times a day to help break up mucus and increase the inhalation and exhalation of my lungs. My Doctor recommended this for my Bronchiectasis