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  • How are reviewers describing this item?
    easy, great, best, clean and same.
  • Our engine has profiled the reviewer patterns and has determined that there is minimal deception involved.
  • Our engine has discovered that over 90% high quality reviews are present.
  • This product had a total of 183 reviews as of our last analysis date on Sep 25 2018.
Reviews Summary

It came with a paper chart to record your results but i've been using a free app called asthmamd to record it on my phone

Super easy to use, like that it folds up and all is kept clean

Works great for peace of mind

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