Lung Exerciser 3 Ball Spirometer is a well thought out medical instrument used for promoting fitness of lungs. It encourages patients to practice deep breathing technique like sustained maximal inspiration to maintain salubrious condition of lungs. This cost effective spirometer encourages patient to take deep breath which in turn helps to enlarge small air compartment of lungs. As its result, mucus present in lungs air is cleared or removed by expansion of lungs. Developed from breakage proof plastic, this light weight product can be handled easily. We are a reliable manufacturer and exporter of standard grade Lung Exerciser 3 Ball Spirometer.