Air escaping or entering at locations where the mask does not fit properly to the user's face can cause hazards to be inhaled, or pathogens to be exhaled towards others. This new mask addresses many ...

All respirators stop working eventually, though in the case of half-masks and military-style gas masks, filter canisters can be replaced. To understand why, it's useful to know how respirators ...

Respirator masks can protect adults from wildfire smoke, air pollution, and the dust and fumes of some home-renovation projects. After 50 hours of research and testing, we’re confident that the ...