HKLXSM Lung Trainer Device Breathing Exerciser Mucus Removal Health Recovery Aid Blue

Features:1. High temperature resistant, easy to disinfect.2. Aerodynamic design, more convenient for sputum removal, in line with the oral flow difference value, easy to remove sputum.3. Compact and portable, used for excessive lung secretions and to promote airway sputum evacuation.4. Detachable, easy to clean and use.Package Include:1 * Lung Trainer Device