Sizing MegaVents
How to choose the proper size.

As a general rule sizing is quite simple. We have two sizes, Large and Medium. If you can fit the tops of your thumbs in your nose you are a large. If you can only fit the tops of your small fingers in your nose you are a medium.

Click Here to watch our video on our MegaVent breathing aid to see how they fit.


If you have any questions about sizing please call for help @

512-782-9925