This inexpensive mask offers no respiratory protection to the wearer and should only be used to protect against nuisance dust below the Workplace Exposure Level (WEL) or to protect the end product from being contaminated by the mask user.
This inexpensive mask offers no respiratory protection to the wearer and should only be used to protect against nuisance dust below the Workplace Exposure Level (WEL) or to protect the end product from being contaminated by the mask user.


