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by alevan
Sat Mar 27, 2004 12:44 pm
Forum: General Discussion
Topic: Air purification
Replies: 5
Views: 1574

Air purification

Does anyone know how to construct a homemade air purifier. The ones that are popular right now are in $400 range. Some people are saying the ones on T.V. don't work that good. They are quite simple to build. The principles involved changing positive charged ions to negative. Would appreciate any inf...