air-purifying respirator


air-pur·i·fy·ing res·pi·ra·tor

(ār-pyūr'i-fī-ing res'pir-ā-tŏr) An air-filtering respirator using filters designed to remove a specific substance from ambient air.

air-purifying respirator

A face mask covering the mouth and nose that is used to filter hazardous gases, vapors, and/or particles from the environment in order to prevent them from being inhaled. See also: respirator