spirometer for lungs (Dubuque)

Light-weight hand-held device used for deep breathing therapy after surgery or illness. Strengthens your lungs by requiring you to take slow, deep breaths to make a red ball lift to a target level on its display tube. It has clear calibrations, an adjustable goal indicator, flexible tubing, and a mouthpiece to maintain a strong seal. Needs no energy but your own. Air Life brand. Like new.

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