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Overview
  • How are reviewers describing this item?
    great, good, level, big and down.
  • Our engine has profiled the reviewer patterns and has determined that there is minimal deception involved.
  • Our engine has detected that Amazon has altered, modified or removed reviews from this listing. We approximate total reviews altered up to 65.
  • Our engine has discovered that over 80% high quality reviews are present.
  • This product had a total of 414 reviews as of our last analysis date on Feb 27 2020.
Details

BETA

Most positive reviewquestion

fast delivery & so far I'm liking it!!!

Least positive reviewquestion

Bout passed out the first time but getting used to it...

Most authentic reviewquestion

The masks works very well. It makes my lungs work way harder. Very comfortable.

Least authentic reviewquestion

Not enough review data to provide meaningful insight.


Helpful Insights

BETA

    Posted by a reviewer on Amazon

    Didn't think it was really going to be that big of a help but boy was i wrong.


    Posted by a reviewer on Amazon

    Something that restricts your airflow while exercising can be dangerous if not done properly.


    Posted by a reviewer on Amazon

    The research they have to back up their design casts a shadow over the cheaper knockoffs.


    Posted by a reviewer on Amazon

    It would have 5 stars if the elevation levels were easier to change, they are extremely difficult to get off.


    Posted by a reviewer on Amazon

    Bout passed out the first time but getting used to it.


    Posted by a reviewer on Amazon

    Oh, you think altitude is your ally.

Review Count History
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