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Expand a Lung Expand a Lung gear reviews

  • Average price:$32.00
  • Average user rating:
    (4)1 reviews
  • Would buy again from this company: 1 (100%)
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date: March 31, 2010
review by: jluisfm
(4)

You put it in your mouth, set the desired resistance and (not while excercising) you have to do it twice a day sitting down in your bed for a few minutes and you just breathe in and out. The device makes you effort and you can feel your lungs strenghtening.

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