Honeywell Disposable Respirator, S, NIOSH Rating N99, ASTM Splash Rating Not Rated

These disposable N99 welding respirators are worn where there is exposure to high heat and airborne particles. N99 respirators filter at least 99% of airborne particles. They are not oil-resistant. The exhalation valve opens automatically when the wearer breaths out to allow breath to exit the mask quickly, keeping the wearer cooler and more comfortable. The valve automatically closes when the wearer inhales to ensure all air breathed in is filtered.