#565. Voldyne 5000 Volumetric Exerciser
includes Free download The Way You Breathe Can Make You Sick or Make You Well.
For awhile, I stopped using this after I noticed that some people, registered better breathing and did not breathe easier and some registered worse breathing and DID breathe easier. To me it is not always dependable. Later I learned to use it along with my other methods of measuring breathing. I get a more clear picture of progress this way. You will too. It can use to tell if you have the breathing volume of someone years younger than you.
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Toll Free (USA): 1-866 MY INHALE (1-866 694-6425)
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Satisfaction guaranteed. No risk guarantee. If not satisfied return within 30 days for a full refund less S & H.