You see, they might trap particles in the filter, but they are unable to remove the smallest and most dangerous particles. These are the Ozone gases that we aren't unable to see, feel, or touch. A small amount inhalation can result in chest pain, coughing, shortness of breath, and throat irritation.
Worse, most family members are unaware that they are inhaling such gases. Prolonged inhalation will aggravate respiratory diseases such as asthma, weaken the body's ability to fight respiratory infections, and may even permanently damage the lungs!
Air quality is more important than we previously thought, and this is especially true when we have elderly or children at home whom we love and protect.