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