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These PuroAir models use H14 filters, which are marginally more efficient at capturing particles than true HEPA/H13 filters, but in real-world use (versus controlled lab testing), theres no practical difference between 99.995% and 99.970%

The report also highlights the progress of smokefree environments as a bright spot and a reason to be hopeful for the future of commercial tobacco control

Although nicotine itself is not considered a carcinogen, e-cigarette aerosol does contain chemicals linked to cancer, such as formaldehyde and acrolein, heavy metals, and volatile organic compounds 3-5

All of these factors have facilitated the introduction of innovative technologies and smoking alternatives, he said