For many smokers, the act of lighting up comes with a nagging a sense guilt, especially around non-smokers, children, or even in shared rooms. The well-documented hazards of 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