Ventilation products are products designed to improve air quality in a home or building. These products can include fans, air filters, air purifiers, and ventilation systems. They are used to reduce the amount of airborne pollutants, such as dust, pollen, and smoke, as well as to improve the air quality in a space. Ventilation products can also help to reduce the risk of mold and mildew growth, as well as reduce the risk of airborne illnesses.