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HEPA air purifiers are considered one of the most amazing gifts of science and technology to people who have health deficiencies due to polluted air. HEPA, which is short for high efficiency particulate absorbing is a mechanism which removes 99.97 particles on air. These days when air pollution is a usual thing already especially on the metropolis, many people are already suffering from air borne diseases and allergies. This is the reason why the demand for dependable HEPA air purifier brands continues to grow.