PhlegmSuction Device, Manual Phlegm Sucker Pump Device Aid Suction Device for...Phlegm Suction Device, Manual Phlegm Sucker Pump Device Aid Suction Device for Home for First Aid Tool for Elderly for Cough Sputum Asthma Patients Usemore
The device does not generate positive pressure to ensure reliable performance ...The device does not generate positive pressure to ensure reliable performance and safe use. Allow older people and children to breathe more freely and get rid of sputum obstruction to the respiratory system Use oil-free lubrication pump to protect the...more