sets up vibrations to loosen mucus in the bronchia tubes..
and helps to expel the same.
here is a hyperlink and a video of it too. best of cheers my LI friend. wj
http://www.vitalitymedical.com/acapella-choice-flutter-valve.html
sets up vibrations to loosen mucus in the bronchia tubes..
and helps to expel the same.
here is a hyperlink and a video of it too. best of cheers my LI friend. wj
http://www.vitalitymedical.com/acapella-choice-flutter-valve.html
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