Respirometer Spirometer Lung Exerciser is a breathing exerciser Innovative system to exercise respiration through inspiration. Specially designed with 3 stage chambers to provide more efficient exercise to patient at a step up basis. Device is composed of Base and central part divided into three chambers containing three small spheres.Three spheres rise proportionately to the inspiration exerted by the user. Innovative design, can be dis-assembled into parts for cleaning and disinfection. Non sterile, individually packed in a box.