ProGuard Particulate Respirators - Universal - Mist, Dust, Respiratory, Pollen, Dust, Respiratory, Pollen Protection - White - Comfortable, Adjustable Nose-piece, Disposable, Disposable - 20/Box - 12 / Carton Dust and mist respirator helps you avoid breathing nontoxic particles while working. Double-shell construction protects you from the effects of pollen, dust, grass and more. Molded shape provides a tight-fitting seal to prevent particles from getting through. Custom-fit nosepiece sits comfortably on your face to allow extended use. N-95 rated respirator is OSHA and NIOSH approved TC-21C-271.