Old, weak, sick and young are not suitable for N95 masks

On the other hand, the elderly, the weak, the sick, and even the expectant mothers are sensitive people polluted by fine particles of air. The possibility of air pollution causing asthma, various respiratory tract irritation symptoms and even cardiovascular disease also exists. Exposure to pollutants without protection The risks below cannot be ignored. If it is unavoidable to leave a room with relatively low pollution, it is recommended to consult a doctor in advance to choose the appropriate mask or other protective measures.