There are three primary types of masks: N95 respirators. KN95 what is a better mask N95 or KN95 respirators ( often called respirators ) are devices that cover a person's nose and mouth to protect against dust, fumes, smoke, or any other airborne particles. External Nose Clip N95 mask making machine with nose pin some individuals are concerned that wearing a mask with glasses can impair their vision. If you operate in a harmful atmosphere where you should use a mask or even various other type of respiratory system security. The Centers for Disease Control and Prevention recommends that everyone use N95 masks to avoid breathing airborne particles. When wearing a mask, refrain from touching your face.