TRI-BALL
Rated 5.00 out of 5 based on 1 customer rating
1 Review
TRI-BALL’ encourages the patient to achieve a maximum prolonged inhalation, named SMI technique (Sustained Maximal Inspiration). The SMI is an exercise of deep, slow breathing that when repeated several times per day, can prevent the respiratory diseases.

Mark J. –
I ordered on Friday evening and on Monday at 12:30 the package was with me. I have never encountered such a fast order processing.