Clean the air in a few minutes: it takes only 60 minutes to clean a large room up to 1,115 square feet. Perfect for home and office. Breathe clean, crisp air, kiss your allergies, goodbye! Powerful HEPA 14 filter: PuroAir filter can capture up to 99.99% of fine particles with the size less than 0.1 micron. This includes dust, pet dander, odor and smoke. It is 10 times more powerful than HEPA H13 filter. Scientifically tested: third-party laboratory testing and certification. It is verified that