Air Purifier Replacement Filters

When your air purifier filter gets old, you reduce the efficiency with which your air is cleaned, so bacteria and pollutants stay in the air longer. DiscountFilterStore has a variety of air filter replacements that you need to keep your family healthy and your home clean. Our assortment ranges from HEPA (high efficiency particulate air) filters to odor & gas reducing pre-filters, Humidifier Filters, and Refrigerator Air Filters. To see a full list of all our air purifiers, filters and systems, click here.

Looking for whole home filtration? Check out our Air Return Filters or our Tier1 Air Filters page to find the filter that is right for you! We carry a large assortment of sizes and offers in different merv ratings so you can find the option that is right for your needs.