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 wil...

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

    Flanders EZ Flow Fiberglass MERV 1-4 Filter

    From $59.99
    From $59.99
    Case of 12 $5.00/filter
  • AAF Flanders PREpleat LPD MERV 10 Standard Capacity (12 Filters)
    MERV 10
    AAF Flanders

    PREpleat LPD MERV 10 Standard Capacity

    From $103.99
    From $103.99
    Case of 12 $8.67/filter
  • Custom filters
    Built to your exact size

    Any size, cut to 1/8″. Depth 1″–6″ · MERV 1–13.

    Build your filter
  • NaturalAire Standard MERV 8 (12 Filters)
    MERV 8
    AAF Flanders

    NaturalAire Standard MERV 8

    From $95.99
    From $95.99
    Case of 12 $8.00/filter
  • Flanders Nested Glass EZ-Green Filter
    MERV 1-4
    AAF Flanders

    Flanders Nested Glass EZ-Green Filter

    From $114.99
    From $114.99
  • NaturalAire Microparticle MERV 10 (12 Filters)
    MERV 10
    AAF Flanders

    NaturalAire Microparticle MERV 10

    From $137.99
    From $137.99
    Case of 12 $11.50/filter
  • Custom Size MERV 1-4 Fiberglass Disposable Panel Air Filter
    MERV 1-4
    RTF

    Custom Size MERV 1-4 Fiberglass Disposable Panel Air Filter

    $199.99
    $199.99
  • Custom Size MERV 8 Pleated Air Filter
    MERV 8
    RTF

    Custom Size MERV 8 Pleated Air Filter

    From $240.99
    From $240.99
  • AAF Flanders PREpleat LPD MERV 10 Standard Capacity 4-inch Depth (6 Filters)
    MERV 10
    AAF Flanders

    PREpleat LPD MERV 10 Standard Capacity 4-inch Depth

    From $268.99
    From $268.99
    Case of 6 $44.83/filter
  • AAF Flanders PREpleat LPD MERV 10 High Capacity (12 Filters)
    MERV 10
    AAF Flanders

    PREpleat LPD MERV 10 High Capacity

    From $111.99
    From $111.99
    Case of 12 $9.33/filter
  • 20x20x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.012020 (12 Filters)
    MERV 1-4
    AAF Flanders

    20x20x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $59.99
    $59.99
    Case of 12 $5.00/filter
  • Custom Size NaturalAire Standard MERV 8 Air Filter
    MERV 8
    AAF Flanders

    Custom Size NaturalAire Standard MERV 8 Air Filter

    $208.99
    $208.99
  • 14x14x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.011414 (12 Filters)
    MERV 1-4
    AAF Flanders

    14x14x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $59.99
    $59.99
    Case of 12 $5.00/filter
  • 12x12x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.011212 (12 Filters)
    MERV 1-4
    AAF Flanders

    12x12x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $59.99
    $59.99
    Case of 12 $5.00/filter
  • Naturalaire MERV 10 air filters custom size
    MERV 10
    AAF Flanders

    Custom Size NaturalAire Microparticle MERV 10 Air Filter

    $228.99
    $228.99
  • 16x20x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.011620 (12 Filters)
    MERV 1-4
    AAF Flanders

    16x20x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $59.99
    $59.99
    Case of 12 $5.00/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!