Three Ball Incentive Spirometer
Product Details:

Type	Three Ball
Synonyms	incentive spirometer
Material	PVC
Uses/Application	restoring disrupted breathing patterns, achieve optimum lung capacity
Country of Origin	Made in India

Usage:
This device is used for breathing exercises, increasing oxygen concentration and lung capacity by Inhaling (breathing in). This device is designed to work upright only for inhaling, although it may work upside down for Exhaling. It is not recommended to exhale in the device to prevent moisture buildup. Get best price of three ball incentive spirometer used for lung exercises at Rs 190
Features:
The entire unit can be dismantled for cleaning by removing the white base, the tubing and even the mouthpiece. 
It is necessary to maintain hygiene of your respiratory tract.
The three balls rise in proportion to your inhalation rate. You can visually see your breath literally lifting up the balls one-by-one which gives an incentive to push harder.
3 ball chambers for 3 different inhalation rates. As per your inhalation rate - Slow, Medium or High, the first, second and third balls rise respectively.
Helps improve lung capacity for patients of Tuberculosis (TB), Pneumonia, Low SPO2 (Oxygen) concentration, Asthma, COPD etc