WARNING
1, This product is not for medical use, hygiene product, no refund.
2, This product helps protect against certain particles, misuse may lead to illness or even death.
3, Don’t use this product when contaminants are threatening to life.
4, If breathing becomes difficult, leave the contaminated areas immediately.
5, If the respirator’s structure is damaged, it is ought to be discarded.
6, This product should be used up to the limits specified by applicable government regulations.