| | Allergy Filters
If your health requires the specific benefits and efficiency of a HEPA filter, check the packaging to make sure the filter is rated at an efficiency of 99.97% for microns . If it's a true HEPA filter, it will have this rating clearly marked.
HEPA stands for High Efficiency Particulate Air, and a true HEPA filter is widely regarded as the ultimate filter.1 or even . Conversely, 4/100,000ths of an inch equals one micron. They are less expensive than true HEPA filters, rated lower, and do an inferior job of filtering the air. Human hair between 70-100 microns.
The rating for a HEPA filter is based on capturing nearly all microns . Surgical facilities, tuberculosis wards, NASA clean rooms, and laboratories are a few examples of environments that utilize HEPA filters.
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