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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  • 20x25x6 NaturalAire Choice Allergen MERV 8 82655.062025 (3 Filters)
    MERV 8Sold out
    AAF Flanders

    20x25x6 NaturalAire Choice Allergen MERV 8

    $190.99
    $190.99
    Case of 3 $63.66/filter
  • 12x16x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.011216 (12 Filters)
    MERV 1-4
    AAF Flanders

    12x16x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $77.99
    $77.99
    Case of 12 $6.50/filter
  • 15x30x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.011530 (12 Filters)
    MERV 1-4
    AAF Flanders

    15x30x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $102.99
    $102.99
    Case of 12 $8.58/filter
  • 14x22x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.011422 (12 Filters)
    MERV 1-4Sold out
    AAF Flanders

    14x22x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $167.99
    $167.99
    Case of 12 $14.00/filter
  • 17x17x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.01299 STD (12 Filters)
    MERV 1-4
    AAF Flanders

    17x17x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter STD

    $164.99
    $164.99
    Case of 12 $13.75/filter
  • 11-1/2x11-1/2x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.01199 (12 Filters)
    MERV 1-4
    AAF Flanders

    11-1/2x11-1/2x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $174.99
    $174.99
    Case of 12 $14.58/filter
  • 12x25x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.011225 (12 Filters)
    MERV 1-4
    AAF Flanders

    12x25x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $63.99
    $63.99
    Case of 12 $5.33/filter
  • 19-1/2x23-1/2x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.01195235 (12 Filters)
    MERV 1-4Sold out
    AAF Flanders

    19-1/2x23-1/2x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $67.99
    $67.99
    Case of 12 $5.67/filter
  • 20x25x4 AAF Flanders PREpleat M11 MERV 11 Standard Capacity 85655.042025M11 (6 Filters)
    MERV 11
    AAF Flanders

    20x25x4 PREpleat M11 MERV 11 Standard Capacity

    $239.99
    $239.99
    Case of 6 $40.00/filter
  • 16x22-1/4x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.01162214 (12 Filters)
    MERV 1-4
    AAF Flanders

    16x22-1/4x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $100.99
    $100.99
    Case of 12 $8.42/filter
  • 15x16x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.011516 (12 Filters)
    MERV 1-4
    AAF Flanders

    15x16x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $135.99
    $135.99
    Case of 12 $11.33/filter
  • 10x25x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.011025 (12 Filters)
    MERV 1-4
    AAF Flanders

    10x25x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $64.99
    $64.99
    Case of 12 $5.42/filter
  • 15x24x1/4 NaturalAire Kwik Kut Expanded Aluminum Filter KK1601 (24 pack)
    MERV 1-4
    AAF Flanders

    15x24x1/4 NaturalAire Kwik Kut Expanded Aluminum Filter KK1601

    $271.99
    $271.99 $191.76
    Case of 24 $11.33/filter
  • 16x25x4 AAF Flanders PREpleat M11 MERV 11 Standard Capacity 85655.041625M11 (6 Filters)
    MERV 11
    AAF Flanders

    16x25x4 PREpleat M11 MERV 11 Standard Capacity

    $205.99
    $205.99
    Case of 6 $34.33/filter
  • 15x19x1 EZ Flow II Filters (12 Filters)
    MERV 1-4
    AAF Flanders

    15x19x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $174.99
    $174.99
    Case of 12 $14.58/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!