breathing training device exercise lung function breathing tester respiratory exercise for child adult

• Compact, high quality break-resistant plastic, 3-ball inhaling breath measurement system
• Solid, non-shaky Construction; Removal bottom for thorough cleaning and hygiene maintenance
• Deep Breathing Exerciser for comprehensive respiratory fitness – 3 chambers for differing inhalation rates from 600cc/sec to 1200 cc/ sec
• Helps achieve optimum lung capacity and restoring disrupted breathing patterns
• Complete Instructions Provided; See video in images alongside; Ball Colors may vary