A PLOS ONE study tested the real-world filtration efficiency of cloth masks, medical masks, and respirators, revealing large ...

Respirators, more commonly known as face masks, are meant to keep health care ... How respirators work A respirator is a device that covers your nose and mouth and protects you from inhaling ...

Face masks typically cover the wearer's mouth and nose, the main entry points for ... including vehicular exhaust, wearing a respirator (face mask) is essential to keep the lungs and heart healthy.