Air pollution control systems typically feature standard pre-filters designed to capture larger particles such as dust, pet hair, and microbes. These filters are washable, reusable, and require minimal maintenance, making them a cost-effective first stage in improving air quality. They protect downstream equipment and help extend the service life of advanced filtration systems.
However, pre-filters offer limited filtration capacity, as they cannot effectively remove fine particles, allergens, or odors. For environments where high air purity is essential—such as healthcare, laboratories, or homes of allergy sufferers—HEPA and activated carbon filters are recommended for comprehensive air purification.