Samsung uses HEPA filtration to ensure the cleanest exhaust when you vacuum‎.‎ By catching micro particles such as dust and other allergens like pollen and mold‎,‎ HEPA filters deliver a much cleaner and healthier environment‎.‎ In fact‎,‎ the exhaust air quality and emission ability of our HEPA filters has been certified by the SLG‎,‎ the Germany’s highly respected testing and certification institute‎.‎ And some of our house mite and allergen filtration has been certified‎.‎