3 Ball Incentive Spirometer

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. Compact, high quality break-resistant plastic, solid Construction; Removal tube and mouthpiece for thorough cleaning and hygiene maintenance.  Easy to Use! The hand-hold exerciser machine is extremely to use: just put it in your mouth and inhale! - Small size, lightweight only 6.3 ounce, portable, you could use this anytime anywhere even when travel.  Repeat using the device 10 to 12 times per hour when you are awake, or as often as directed.  All 3 balls to rise to the top one by one, 3 chambers rates from 600cc/sec to 1200 cc/ sec, total inhaled volume will be 2700cc or 2.7 liter.