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1. Mechanical filters
These filters force air through a special mesh that traps pollutants and allergens.
2. Electronic filters
These air filters use electrical charges to attract and deposit pollutants and allergens. The most …
December 19th, 2009
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1. Mechanical filters
These filters force air through a special mesh that traps pollutants and allergens.
2. Electronic filters
These air filters use electrical charges to attract and deposit pollutants and allergens. The most …