Entair 3 Ball Respiratory Exerciser is a breathing exerciser system to increase lung volume and minimize mucous/fluid in the lungs. It is designed with three-stage chambers to provide a more efficient exercise on a step up basis to patients with a compromised respiratory system. The device consists of a base and a central part, which is divided into three chambers that contain three small spheres, in different sizes and colours. | Uses It is used to provide the patients a more efficient exercise which helps to increase the lung volume and minimize mucous/fluid in the lungs. | Product Specification and Features: The three spheres rise proportionately to the inspiration exerted by the patient Color-coded balls in each three chambers prove to be visual incentive to the patient Connecting tube with 12mm OD connector and mouth piece Air flows into single channel, when it passes through the chamber, it raises each of the three balls depending on the flow inhaled per second Flow rates 600ml/sec, 900ml/sec, and 1200ml/sec by using different colors of ball for easy identification of the flow rates Can be dis-assembled into parts for cleaning and disinfection Comes in a compact, high quality break-resistant plastic with 3-ball incentive spirometer | Directions For Use Use as directed. | Safety Information: Read the label carefully before use Keep out of reach of the children Store in a cool dry place