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![PM 2.5 Filtered Replacements [SINGLE]](http://cdn.shopify.com/s/assets/no-image-2048-5e88c1b20e087fb7bbe9a3771824e743c244f437e4f8ba93bbf7b11b53f7824c_800x.gif)
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PM 2.5 Filtered Replacements [SINGLE]
PM2. 5 filters are shown to be effective in blocking the vast majority of airborne particulates, even the very smallest nanoparticles. The PM2. 5 name comes from these filters' original use as protection against Particulate Matter 2.5, the smallest and most dangerous form of air pollution.
