Spirometer devivce for respiratory exercise for lungs and breath

Overview- Breathing exerciser: Innovative system to exercise respiration through inspiration. - Solid, non-shaky single piece construction; 3 chambers for differing inhalation rates. - Device is composed of Base and central part divided into three chambers containing three small spheres different in colour - Three spheres rise proportionately to the inspiration exerted by the user. Innovative design, can be dis-assembled into parts for cleaning and disinfection - Complete Instructions Provided. Helps achieve optimum lung capacity and restoring disrupted breathing patterns