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Feature

Very effective in COPD. Helps in achieving maximal lung expansion and strengthening cough effort which helps in maintaining clear airways
Detachable Base, removable balls, detachable tubing and mouthpiece - washable and hygienic
Made of break resistant materials. Easy to use device. Comes with name label
Very effective in asthma and building stamina
Used for inhalation exercise. Can be used for exhalation by inverting the unit, although it is not designed for that purpose