<ul><li>Improves your breathing pattern</li><li>Lowering the chance of developing lung infections</li><li>MADE IN INDIA.; Complete Instructions Provided; Colours may Vary</li><li>Color may vary of the balls and Breathing Pipe - Deep Breathing Lung Exerciser / Respirometer / Spirometer for comprehensive respiratory fitness - 3 chambers for differing inhalation rates from 600cc/sec to 1200 cc/ sec.</li><li>Lung exerciser device, Compact, high quality break-resistant plastic</li></ul><br><br>

Doctist Lung Exerciser Respiratory Spirometer for Breathing Exercise Respirometer Washable Hygienic & Detachable Breath Measurement System 3 Ball Respiratory Exerciser 1 Pack