If you are utilizing a respirator, you ought to intend on one mask each house participant. Cup N95 cup auto mask machine so they can be worn during emergency situations or potentially harmful weather like dust storms or hurricanes. KN95 masks whats better N95 or KN95 masks this blog article explores the answers to these questions and more. Inhale through your nose and exhale through your mouth while wearing a mask. Here are some easy tips on how to double mask! And they're understandably concerned about whether they're safe to use and whether they have been produced in fACIlities that follow best manufacturing practices ( GMPs ) .