An air purifying respirator (APR) is a protective device designed to filter and remove harmful airborne contaminants, including dust, fumes, mists, gases, and vapors, before they are inhaled by the user. Unlike self-contained breathing apparatus (SCBA) systems that supply clean air from a tank, APRs rely on filtration to clean ambient air. They are commonly used in industrial, healthc... https://eastwindsafety.com/product-category/air-purified-respirators/