Forced air systems, like furnaces, air conditioning and heat pumps, move warm or cool air to your home through ducts and vents.

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  • 16x25x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.011625 (12 Filters)
    MERV 1-4
    AAF Flanders

    16x25x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $62.99
    $62.99
    Case of 12 $5.25/filter
  • 20x25x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.012025 (12 Filters)
    MERV 1-4
    AAF Flanders

    20x25x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $72.99
    $72.99
    Case of 12 $6.08/filter
  • 20x25x5 NaturalAire Choice Allergen MERV 8 82655.052025 (2 Filters)
    MERV 8
    AAF Flanders

    20x25x5 NaturalAire Choice Allergen MERV 8

    $112.99
    $112.99
    Case of 2 $56.50/filter
  • 20x22x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.012022 (12 Filters)
    MERV 1-4
    AAF Flanders

    20x22x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $75.99
    $75.99
    Case of 12 $6.33/filter
  • 20x30x1 NaturalAire Cut-to-Fit Natural Fiber Washable Filter SM1006 (6 pack)
    MERV 1-4
    AAF Flanders

    20x30x1 NaturalAire Cut-to-Fit Natural Fiber Washable Filter SM1006

    $78.99
    $78.99
    Case of 6 $13.17/filter
  • AAF Flanders PREpleat M13 MERV 13 (12 Filters)
    MERV 13
    AAF Flanders

    PREpleat M13 MERV 13

    From $195.99
    From $195.99 $0.00
    Case of 12 $16.33/filter
  • AAF Flanders PREpleat M11 MERV 11 Standard Capacity (12 Filters)
    MERV 11
    AAF Flanders

    PREpleat M11 MERV 11 Standard Capacity

    From $123.99
    From $123.99 $0.00
    Case of 12 $10.33/filter
  • 14x24x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.011424 (12 Filters)
    MERV 1-4
    AAF Flanders

    14x24x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $59.99
    $59.99
    Case of 12 $5.00/filter
  • 18x24x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.011824 (12 Filters)
    MERV 1-4
    AAF Flanders

    18x24x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $64.99
    $64.99
    Case of 12 $5.42/filter
  • 14x30x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.011430 (12 Filters)
    MERV 1-4
    AAF Flanders

    14x30x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $97.99
    $97.99
    Case of 12 $8.17/filter
  • 18x20x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.011820 (12 Filters)
    MERV 1-4
    AAF Flanders

    18x20x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $61.99
    $61.99
    Case of 12 $5.17/filter
  • Flanders Precisionaire Spun Glass Hammock Roll Media (1 Rolls)
    MERV 1-4
    AAF Flanders

    Flanders Precisionaire Spun Glass Hammock Roll Media

    From $58.99
    From $58.99 $0.00
  • 12x24x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.011224 (12 Filters)
    MERV 1-4
    AAF Flanders

    12x24x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $59.99
    $59.99
    Case of 12 $5.00/filter
  • 24x30x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.012430 (12 Filters)
    MERV 1-4
    AAF Flanders

    24x30x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $95.99
    $95.99
    Case of 12 $8.00/filter
  • 20x30x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.012030 (12 Filters)
    MERV 1-4
    AAF Flanders

    20x30x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $85.99
    $85.99
    Case of 12 $7.17/filter
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Forced air systems, like furnaces, air conditioning and heat pumps, move warm or cool air to your home through ducts and vents. To prevent dust and debris from being blown into your home along with that warm and cold air, your system will have one or maybe more filters. The filters not only improve indoor air quality but they also protect your forced air system. When filters get clogged with too much dust, they reduce the efficiency of your system and increase heating and cooling costs, since its harder for air to move from your heating system into your home. The build-up of hot air behind a very clogged filter can even raise the temperature near your heating system enough to trigger its emergency shut-off mechanism, causing your heating system to turn on and off intermittently. Clogged filters can also mean more mold, dust and other allergens in your home. Our goal at RememberTheFilter.com is to be the very best in indoor air filtration. With so many types of filters and our large selection it can be a little overwhelming. Here is a collection of our most popular filters for your forced air system. Many filters to choose from. Many ways to find them. Search for your filter by size, brand, filtration level and more!