
Pre Filter. The air first enters pre filter, capturing the largest particles, which enhances the durability and performance of the other filters.
High-Efficiency HEPA Filter. The most effective type of air filter at capturing dust, allergens and other solid particles (including bacteria). HEPA filters are recommended by the U.S. Department of Homeland Security. The S3500 uses a permanent, washable HEPA, so it does not require replacement*.
Activated Carbon Filter. The best type of air filter for trapping chemicals, gases, odors and cigarette smoke. According to Penn State Dept. of Aerobiological
researchers, carbon filters serve to remove odors,
volatile organic compounds (VOCs) and chemicals that other
filters cannot.
Photocatalytic Oxidation Filter.
This filter is coated with titanium dioxide, which produces
highly reactive ions and electrons when combined with the UV
light from the S3500's UV lamp. These highly reactive ions attach
to chemical molecules, bacteria and odor-causing compounds,
destroying them through oxidation. Independent tests by
research scientists have proven photocatalytic oxidation to by
highly effective.
Germicidal UV Lamp. The most effective way to destroy micro-organisms,
such as germs, viruses, fungi (such as mold) and bacteria. Also
destroys micro-organisms including those that are trapped by
the HEPA air filter, preventing them from reproducing and
recirculating through the room. UV lamps are recommended by the U.S. Centers for Disease Control.
Safe and Effective Ionizer. Circulates trillions of negative ions to neutralize floating pollutants throughout the room. A Journal of Hygiene
study found negative ions to improve efficiency of
filter units, and multiple studies (including those by the U.S. Dept. of Agriculture) have found ionizers to be highly effective against dust, bacteria, etc. Finally, the S3500's ionizer is proven to be safe, producing virtually no ozone whatsoever.
Pollutants Removed By the Multi-Tech S3500 Air Purifier
(Partial list of the many types of pollutants removed)
Dust/Dust Mites.
The HEPA air filter in the S3500 is highly effective at capturing
solid particles such as dust and dust mites. According to the Journal of Hygiene, ionizers
help to increase the efficiency of filters, by causing airborne
particles to conglomerate, making them easier to capture. Plus,
negative ions also cause airborne particles to precipitate out of the
air you breathe, and have been found to be extremely effective at
controlling dust by U.S. Dept. of Agriculture studies. UV light can be
deadly for dust mites.
Bacteria.
Many bacteria are effectively captured by the HEPA air
filter, as well as the anti-bacterial pre-filter (which also
disinfects bacteria). The germicidal UV lamp serves to disinfect
the bacteria trapped by the HEPA filter. Plus, according to
studies by the U.S. Dept. of Agriculture, ionizers/negative ions
are extremely effective at reducing airborne bacteria. The
S3500 also includes a photocatalytic oxidation filter, which has
proven to be effective at destroying bacteria.
Pollen and Other Allergens.
HEPA air filters are commonly recommended filter for allergens,
and are generally considered the most effective filter for
allergens. Ionizers/negative ions increase the efficiency of
filters by causing airborne particles to conglomerate, making them
easier to capture. Plus, negative ions also cause airborne
particles to precipitate out of the air you breathe.
Mold/Fungi.
Mold spores are effectively captured by HEPA air filters,
especially with the help of ionizers/negative ions. UV
light is deadly against the microbiological toxins associated with
mold. The activated carbon filtration and photocatalytic
oxidation technologies used by the Multi-Tech S3500 are effective
against mildew smells.
Cigarette Smoke.
The carbon air filter in the S3500 absorbs smoke particles
and the toxic chemicals associated with cigarette smoke. With the
help of the photocatalytic oxidation filter, it also helps
to reduce or eliminate odors from cigarette smoke. The
ionizer/negative ions also remove smoke particles from air.
Chemicals and VOCs (Volatile Organic Compounds).
The carbon air filter is very effective at absorbing
chemicals and gases. Also, photocatalytic oxidation has proven to
be effective at breaking up chemical compounds. Furthermore, the
ionizer also helps to neutralize chemical fumes.
Germs/Viruses.
The UV light is deadly against micro-organisms such as
germs/viruses, and highly effective at destroying them as they
pass by the UV lamp. Negative ions have also been known to help to
neutralize viruses.
Odors.
Both the photocatalytic oxidation filter and activated
carbon air filter are effective at eliminating or reducing
strong odors.
Carbon Monoxide. A statistically significant decrease of CO values was found with an ionizer activated. This was discovered by researchers at Brompton Hospital in London, and published in European Respiratory Journal.
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* The washable HEPA filter does not require replacement. When dirty, simply vacuum and reuse. Although replacement is not necessary, you can replace the HEPA every two years for optimal performance.
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