http://healthandsurvival.com/2008/01/17/air-purifier-ionizer-and-ozone-generator-comparison-history-of-hepa-filters/ Protecting Your Health, Longevity and Survival! Wed, 18 Apr 2012 19:57:28 +0000 hourly 1 http://wordpress.com/ http://healthandsurvival.com/2008/01/17/air-purifier-ionizer-and-ozone-generator-comparison-history-of-hepa-filters/#comment-1217 Tue, 01 Jul 2008 06:02:07 +0000 http://healthandsurvival.com/2008/01/17/air-purifier-ionizer-and-ozone-generator-comparison-history-of-hepa-filters/#comment-1217 The level of misinformation surrounding air purifiers is astounding. Regarding the points above about HEPA purifiers only there are several egregious errors. They were not developed in WW II to protect troops. HEPA filters were developed to remove radioactive particles in facilities involved in the Manhattan Project. They are not charcoal based. Typically they are a non-woven mat of glass fibers impregnated into thin paper media. If you want accurate information and meaningful articles about air purifiers visit http://www.home-air-purifier-guide.com

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