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Air purifiers are devices designed to remove contaminants and pollutants from indoor air. They can be a great addition to a home, especially if you or someone in your household suffers from allergies or asthma. Here are some things to consider when choosing an Air Purifier For Home, Air purifiers typically use one or more types of filters to remove particles from the air. The most common types of filters are HEPA (high-efficiency particulate air) filters, activated carbon filters, and pre-filters. HEPA filters are the most effective at removing particles such as dust, pollen, and pet dander. Activated carbon filters are good at removing odors and gases. Pre-filters help extend the life of other filters by trapping larger particles before they can reach the main filter. It's worth reading reviews and comparing features and prices before making a decision.