For many smokers, the act of smoking cigarettes comes with a nagging sense of guilt, especially around non-smokers, children, or perhaps in shared areas. The well-documented perils associated with secondhand smoke are undeniable, related to respiratory infections, asthma, sometimes more serious long-term health concerns in people that inhale it. https://posteezy.com/clearing-air-can-personal-air-filters-protect-others-secondhand-smoke