This product is disposable, so it is forbidden to wash or reuse it.
It cannot be used at the ambient temperature above 50 degrees C
It cannot be used at the ambient oxygen content below 19.5%.
It cannot be used in toxic gas as gas mask.
It is only suitable for respiratory protection from non-oily particles.
Those who are allergic to nopyovens and have abnormal cardio-pulmonary function cannot use it.
It is store in a dry and ventiiled place away from fire sources and inflammable
Description
Medical face mask is made of a special sheet material with a soft cotton texture for convenience for your nose and mouth. The mask is used for a quick, easy and discrete way to protect your face from dust and pollution.