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Smoke carries a lot of particulates, and they can range in size, says Monica Kraft, professor of pulmonology and system chair for the Department of Medicine at the Icahn School of Medicine at Mount Sinai

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In most cases, cigarette butts take a decade or more to break down, and even then, they dont fully biodegrade

Smoke particles : 0.30.5 microns (smaller than dust!) Morris Solution : MOR-AP01/ MOR-AP02 use H13 HEPA filters that capture: 100% of large smoke particles (2.5m) 99.97% of ultrafine particles (0.3m) 90% of viruses (0.1m) via diffusion Bonus : Activated carbon filters neutralise tar/odours Smokers Tip : Check filter colour monthly brown discoloration means its trapping tar effectively