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Inexpensive Air Filter for Allergy Relief

By John S. James

June 12, 2004

Here is an inexpensive way to filter home air to remove dust, pollen, pet dander, and other particles. Many people with sinus problems, hay fever, or other conditions may find this helpful, especially now as the spring allergy season arrives.

The idea is to use a 20-inch box fan to pull air through a 20-inch square furnace filter. Everything needed (the fan and the filter) can be found at a local hardware store for under $30. No construction is required.

While this is not equivalent to the home air filters that cost hundreds of dollars, it does filter air rapidly and remove a considerable amount of foreign material from it. In my experience it greatly relieved hay-fever symptoms, and resulted in much less dust being deposited in the room where it is used.

We have not heard of this idea elsewhere. It should be considered for asthma and other conditions, because many people cannot afford the commercial home air purifiers -- some of which seem unlikely to work well.


Notes

Let us know whether or not you have good results with this improvised air filter -- and send us any suggestions that other readers should know about.


ISSN # 1052-4207

Copyright 2004 by John S. James. Permission granted for noncommercial reproduction, provided that our address and phone number are included if more than short quotations are used.


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