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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.  Discount Filter Store has all the air purifier replacement filters you need to keep your family healthy and your home clean, from HEPA (high efficiency particulate air) filters to odor & gas reducing pre-filters to traditional room air filters, humidifier filters to refrigerator air filters.   Discount Filter Store offers a full selection of air purifier replacement filters.  To see a full list of all our air purifiers, filters and systems, click here.

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  • Holmes HAPF21-U4 Replacement Purifier Air Filter

    Holmes HAPF21-U4 Replacement Air Purifier Filter

    $7.99 Retail Price:  $9.99
  • Holmes HAPF30AT-U4 Replacement Purifier Air Filter

    Holmes HAPF30AT-U4 Replacement HEPA Filter

    $15.99 Retail Price:  $18.34
  • Holmes HAPF300AH-U4 Replacement Purifier Air Filter

    Holmes HAPF300AH-U4 Replacement Air Purifier HEPA Filter

    $19.99 Retail Price:  $24.99

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