The oil-free compression pump with fine particles and low noise design of medical grade can relieve various upper and lower respiratory systems through atomization, such as colds, fever, coughs, asthma, sore throat, pharyngitis, rhinitis, bronchitis, pneumoconiosis, etc. The trachea, bronchi, alveoli, and chest cavity symptoms occurring within. 5 major advantages to help babies recover quickly: Fine atomized particles, air flow up to 10L/MIN below 5UM, atomized volume up to 0.2ML/MIN, maintenance-free, oil-free lubrication compression pump, low noise