SP70B Lung Breathing Diagnostic Spirometry by MAIKONG CO.LTD SP70B Lung Breathing Diagnostic Spirometry by MAIKONG CO.LTD is a professional-grade device designed to evaluate and monitor respiratory function effectively. This spirometry unit is ideal for clinical and medical settings, providing critical data to assess lung capacity, airflow, and pulmonary health. With advanced data storage, user-friendly functions, and precision diagnostics, this unit …