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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  • 14x20x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.011420 (12 Filters)
    MERV 1-4
    AAF Flanders

    14x20x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $59.99
    $59.99
    Case of 12 $5.00/filter
  • 16x16x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.011616 (12 Filters)
    MERV 1-4
    AAF Flanders

    16x16x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $59.99
    $59.99
    Case of 12 $5.00/filter
  • 18x18x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.011818 (12 Filters)
    MERV 1-4
    AAF Flanders

    18x18x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $59.99
    $59.99
    Case of 12 $5.00/filter
  • 20x24x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.012024 (12 Filters)
    MERV 1-4
    AAF Flanders

    20x24x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $71.99
    $71.99
    Case of 12 $6.00/filter
  • 19-7/8x21-1/2x1 EZ Flow II Filters (12 Filters)
    MERV 1-4
    AAF Flanders

    19-7/8x21-1/2x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $184.99
    $184.99
    Case of 12 $15.42/filter
  • 14x25x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.011425 (12 Filters)
    MERV 1-4
    AAF Flanders

    14x25x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $62.99
    $62.99
    Case of 12 $5.25/filter
  • 16x24x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.011624 (12 Filters)
    MERV 1-4
    AAF Flanders

    16x24x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $61.99
    $61.99
    Case of 12 $5.17/filter
  • 14x18x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.011418 (12 Filters)
    MERV 1-4
    AAF Flanders

    14x18x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $59.99
    $59.99
    Case of 12 $5.00/filter
  • 24x24x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.012424 (12 Filters)
    MERV 1-4
    AAF Flanders

    24x24x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $86.99
    $86.99
    Case of 12 $7.25/filter
  • Custom Size MERV 13 Pleated Air Filter
    MERV 13
    RTF

    Custom Size MERV 13 Pleated Air Filter

    From $295.99
    From $295.99 $0.00
  • Custom Size MERV 11 Pleated Air Filter
    MERV 11
    RTF

    Custom Size MERV 11 Pleated Air Filter

    From $271.99
    From $271.99 $0.00
  • 10x20x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.011020 (12 Filters)
    MERV 1-4
    AAF Flanders

    10x20x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $61.99
    $61.99
    Case of 12 $5.17/filter
  • 12x20x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.011220 (12 Filters)
    MERV 1-4
    AAF Flanders

    12x20x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $59.99
    $59.99
    Case of 12 $5.00/filter
  • Flanders AAF Pleated Filter Flanders Precisionaire 4" Depth MERV 13 Filters (6 pack)
    MERV 13
    AAF Flanders

    12x24x4 Flanders Precisionaire 4-inch Depth MERV 13 Pleated Filters

    From $221.99
    From $221.99 $0.00
  • 25x30x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.012530 (12 Filters)
    MERV 1-4
    AAF Flanders

    25x30x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $149.99
    $149.99
    Case of 12 $12.50/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!