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Polluted air first passes through Alen's washable mesh Pre-Filter to capture large particles, extending the life of the filter. In the second layer, air moves through Alen’s unique, electrostatically charged True HEPA that attracts and captures dust, pollen, pet dander, mold spores and other airborne pollutants. Alen then adds an antimicrobial compound to the True HEPA, protecting the filter from harmful bacteria* and microbe growth. Relief from allergy and asthma symptoms has never been so simple.
*Test results demonstrate a 99.99% kill rate on E. Coli and Staph Bacteria.
Additional Features Include:
There is no Forever Guarantee on Alen filters.