Particulate filters remove aerosols suspended in the air that you breathe (e.g., dust, mist, fog, smoke). Particulate filters DO NOT remove gases or vapors. The pesticide label specifies N, R, and/or P filters for non-powered air-purifying respirators (APRs), and HE for powered air-purifying respirators (PAPRs). Particulate filters for non-powered air-purifying respirators are rated for both oil […]