The MIDMARK IQmark Digital Spirometer USB is a reliable and efficient medical device designed for measuring lung function. Manufactured by BRENTWOOD BY MIDMARK, this spirometer is a high-quality unit that has been pulled from a working environment. With its USB connectivity, this device allows for easy data transfer and analysis. Originating from the United States, this spirometer is a valuable tool for healthcare professionals in various settings. USB version. This item was pulled from a working office. Two available.