According to the American Lung Association, the HEPA filter is the most efficient filter for removing small particles that can be breathed deeply into the lungs. For this reason, we offer HEPA-type air filters exclusively because we believe that they provide the best way to remove irritating particles from the air you breathe. To qualify as a HEPA air filter, an air filter must meet the government standard of removing 99.97% of all particles greater than .3 microns from the air that passes through the machine.
(The IQAir HealthPro Plus and Blueair air purifiers remove even much smaller particles.) Ozone-type machines may actually cause asthma attacks and similar respiratory problems, without even removing the particulates. Electrostatic air filters lose efficiency as soon as they are used and must be constantly cleaned. Why Carbon?
The activated carbon blends in our air filters collect dangerous fumes and keeps them from irritating your lungs. This material also absorbs odors ... more.
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