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Austin Air is sold in more than 100 countries and has outperformed more than 100 other air purifiers in government tests

The potassium permanganate layer then oxidizes particularly stubborn compounds like formaldehyde that simple carbon cant handle

There are hundreds of them at each of the corner stores within crawling distance of my stoop, and additional dozens of them (emptied of their original contents, and then sometimes filled with something less refreshing) on the sidewalks and curbs nearby

Running an ozone generator in an occupied home, even intermittently, adds a respiratory hazard on top of the existing tobacco smoke problem