3M #8212 welding respirator has a unique filter media and protective layers that are designed to be flame resistant. Cake-resistant filter media is specially designed for welding applications providing a longer life and easier breathing respirator. #8212 welding respirator is suggested for use when welding, torch cutting, brazing, soldering and metal pouring. Additional features include the 3M cool flow exhalation valve and faceseal nose foam. NIOSH approved N95 rating is not approved for oily environments. 10 disposable welding respirators per package.