How do mouth gas masks work?

If Israel was caught up in this deadly chemical warfare, could gas masks provide effective protection to its people? read more

A gas mask works by creating a seal around the nose and mouth. Thishelps to prevent the wearer from inhaling toxic gases and otherpollutants. read more

When most people think about gas masks or respirators, what they usually envision is a tight-fitting plastic or rubber face mask with some sort of filter cartridge. The mask covers the nose and mouth. These are called half-mask air-purifying respirators. read more

The gas mask is a mask used to protect the user from inhaling airborne pollutants and toxic gases. The mask forms a sealed cover over the nose and mouth, but may also cover the eyes and other vulnerable soft tissues of the face. read more