Hoover SilentAir 4000 Ionizing Air Purifier Description
Product Features
Purifies air by circulating negative ions that attach to dust and allergens
Contaminants are then collected by a replaceable dielectric sheet
Virtually silent; runs 24 hours per day on minimal power
Deodorizes cigarette smoke, animal odors, and cooking odors
Conditions home or office rooms up to 500 square feet
Product Description
Review
Breathing the cleanest air possible is essential to the health and well-being of
asthma and allergy sufferers, infants, and the elderly. Hoover’s SilentAir 4000
purifies air without a fan or filter; instead, it circulates negative ions that
attach themselves to particles of dust, dander, mold, bacteria, and other
pollutants that are commonly found in home and office environments. Instead of
letting those polluting particles fall to the floor, the SilentAir traps them on
its positively charged Dielectric Collection Sheet. Even the minutest particles
that escape most air filters are trapped by this system. As a result, air in
rooms up to 500 square feet is conditioned, cleaned, and deodorized as irritants
and allergens disappear. Virtually silent, the fanless purifier will not disturb
sleep or create drafts. And, with no motor or moving parts, the purifier
requires only 4 watts of power to operate, resulting in power costs of less than
$4 annually. Six dielectric colleting sheets come with the purifier, which
should be changed every three to four weeks. A three-year warranty covers the
purifier against defects. --Ann Bieri
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