5 Lessons Learned: Equipment

Knowing More on HEPA Filter-Vacuum Cleaners High Efficiency Particulate Air (HEPA) filters were invented in World War II for the purpose of preventing harmful radioactive particles from escaping in laboratories. The HEPA filter is composed of a mesh of fiberglass fibers that are randomly arranged to trap large particles, as well as microscopic elements. HEPA filters are not only used in air filtration systems, but it has found great use and advantage in vacuum cleaners. The indoor air quality has greatly improved with the introduction of HEPA filter vacuum cleaners, because the technology has the efficacy of removing materials that are sources of allergy and asthma. The conventional vacuum filters function like a sieve where particles with sizes smaller than the sieve’s largest opening can pass through, but HEPA vacuums do not function that way, since they are designed to trap the smallest pollutants as air is forced through the fiberglass mesh, isolating the particles that will cling to the individual fibers. HEPA filters are so designed to remove 99.97% of all particles greater than 0.3 microns, such that when compared to pollutants’ size like a dust mite, which is 5 microns, and a human hair, which is 40 microns, this is just giving the idea of how small of particles a HEPA filter collects, and that the government standards require that particle size with an equivalent to one-thousandth of a millimeter must be filtered out of the vacuum’s exhaust.
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Due to the fact that there is an increase spread of fake or imitation HEPA filter vacuum cleaners in the market, one must be extra cautious in purchasing HEPA filter vacuum cleaner, so these are guidelines for you to observe and check, when you plan to buy a HEPA filter vacuum cleaner: genuine HEPA filters must pass through government standard test and the test results are printed on the filter itself, including the MERV (Minimum Efficiency Reporting Value) rating, which is an evaluation system that rates a filter’s ability to remove particles from the air based on a scale of 1-20, to which the higher the rating the higher the ability of the filter to remove smaller particles.
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It is also important that the HEPA filtering unit must be 100% sealed so that there is no air flow around the filter, and in doing so the effectiveness of the HEPA filtration system can be achieved, which prevents large amounts of particles from re-entering the surrounding air. HEPA filters can further trap returning dust particles, thus preventing fewer microbe dust fragments from escaping in the exhaust. The HEPA filter vacuum cleaner has proved its beneficial use in the home and office, since it can prevent 99.97% the emission of very minute impurities and other contaminants, like dust, smoke, mold, bacteria, and pollen, back into the air we breathe.