If you find yourself spending increasingly longer time indoor, it’s never too late to improve quality of the air you breathe in with the portable BREEZOME Air Purifier. This air cleaning machine can firstly remove common irritants like pollen, pet dander, etc., to clear the environment in your home or office. Upgraded hepa air purifying design further ensures that air can be purified 5 times stronger per hour in a 256 sq-ft room. The whole air purifying system includes different filters that tackle various levels of air pollutions – trap big particles, reduce odour, and capture micro pollutants. The Pre-filter first filters out abrasive substances as a defence for the True HEPA filter. The middle Activated Carbon Filter removes large dust particles, pet dander, and household odor. And the key True HEPA Filter eliminates 99.97% of pollutants as small as 0.3 μm or larger pollen and dust mites, filtering air pollution of PM 2.5. Good for someone long bothered by allergy and asthma!