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Article: You can't scrub the air.(furnace filter system)
- Article from:
- Popular Science
- Article date:
- October 1, 2001
- Author:
CopyrightCOPYRIGHT 2001 Bonnier Corporation. 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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But a pricey new furnace filter will keep it cleaner.
THE FILTER IN YOUR FURNACE can become a breeding ground for germs. And the furnace itself can do a fine job of delivering them into the air you breathe. But an air filter due out next year is designed to keep itself squeaky clean. Developed by Tennessee's Atmospheric Glow Technologies (using germ warfare technology), it consists of a polypropylene fiber sandwiched between two electrodes.
Here's how it works: The electrodes charge the air around the filter. This charged air, known as glow plasma, ...