Emily O

⭐⭐⭐⭐⭐This is super helpful! The product works well!

Janice I. Aull

⭐⭐⭐⭐⭐Loosens mucous, produces cough. Those who say this does not work, obviously do not have lung disease. If you see and hear the vibrations when you blow into the mouthpiece, you will cough.This product is not meant for prevention or lung health.

Sue Fasano

⭐⭐⭐⭐⭐Terrific! Works great!!! Really clears up lungs…

SupremeFawn

⭐⭐⭐⭐⭐A difference! I have seen some difference when using it, but it has only been days. I know persons rave over this, and I am sure I will see greater benefits the longer I use it.

Kim Youngblood

⭐⭐⭐⭐⭐Good! Easy to use right out of the box.

Patricia I. Dempsey

⭐⭐⭐⭐⭐Breathe well! This is an excellent product for clearing mucous and facilitating clear breathing.

Amazon Customer #1 Review

⭐⭐⭐⭐⭐TurboForte Never Lets Me Down! This “Flutter Valve” is the exact item that lung patients are looking to get locally but can no longer buy locally. I do wish this item was much more inexpensive than it is.. That way everyone ciuld easily afford to get one when they need it.. lung patients ALL NEED… Continue reading Amazon Customer #1 Review

Peacelizard

⭐⭐⭐⭐⭐It works! Easy to use. Seems to really work. It has helped my lungs quite a bit.

Mak

⭐⭐⭐⭐⭐It works! This worked to help clear my lungs of phlegm . Heavy duty plastic.

Kindle Customer

⭐⭐⭐⭐⭐Amazingly effective! This thing works! I have seasonal allergies that cause lots of lung congestion. A few blows on this device loosens the mucus and gives me hours of comfortable breathing. Very grateful to have found this device!