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Article: Air Purifier
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- How Products Are Made
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CopyrightCOPYRIGHT 2002 Gale Research Inc. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Air Purifier
Background
Air purifiers evolved in response to people's reactions to allergens like pollen, animal dander, dust, and mold spores. Reactions (sneezing, runny nose, scratchy eyes, and even more severe consequences such as asthma attacks) are the result of antigens found in the home. These antigens are major triggers of asthma, and there are more than 17 million asthmatics in the United States alone. Air purifiers remove a portion of these particles, thus reducing allergic-type responses.
Due to their extremely small size, allergens are able to pass through a standard vacuum cleaner bag and redistribute into the air where they stay for days. Even a single microgram of cat ...