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Overview
  • 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

Review Count History
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Price History
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