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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  • 17-1/2x17-1/2x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.01175175 (12 Filters)
    MERV 1-4
    AAF Flanders

    17-1/2x17-1/2x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $95.99
    $95.99
    Case of 12 $8.00/filter
  • 15x20x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.011520 (12 Filters)
    MERV 1-4
    AAF Flanders

    15x20x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $61.99
    $61.99
    Case of 12 $5.17/filter
  • 8x30x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.01830 (12 Filters)
    MERV 1-4
    AAF Flanders

    8x30x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $82.99
    $82.99
    Case of 12 $6.92/filter
  • 16x32x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.011632 (12 Filters)
    MERV 1-4
    AAF Flanders

    16x32x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $103.99
    $103.99
    Case of 12 $8.67/filter
  • 17-1/2x23-1/2x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.01175235 (12 Filters)
    MERV 1-4
    AAF Flanders

    17-1/2x23-1/2x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $96.99
    $96.99
    Case of 12 $8.08/filter
  • 12x36x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.011236 (12 Filters)
    MERV 1-4
    AAF Flanders

    12x36x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $126.99
    $126.99
    Case of 12 $10.58/filter
  • Flanders AAF Pleated Filter 3M Filtrete FAPF03 Compatible Air Purifier Filter (12 pack)
    RTF

    3M Filtrete FAPF03 Compatible Air Purifier Filter MERV 8

    $201.99
    $201.99
    Case of 12 $16.83/filter
  • 10x16x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.011016 (12 Filters)
    MERV 1-4
    AAF Flanders

    10x16x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $84.99
    $84.99
    Case of 12 $7.08/filter
  • 15x24x1/4 NaturalAire Kwik Kut Foam Filter KK500 (24 pack)
    MERV 1-4
    AAF Flanders

    15x24x1/4 NaturalAire Kwik Kut Foam Filter KK500

    $120.99
    $120.99
    Case of 24 $5.04/filter
  • 15x24x3/8 NaturalAire Kwik Kut Fiberglass Filter KK600 (24 pack)
    MERV 1-4
    AAF Flanders

    15x24x3/8 NaturalAire Kwik Kut Fiberglass Filter KK600

    $124.99
    $124.99
    Case of 24 $5.21/filter
  • 30x30x1 AAF Flanders PREpleat LPD MERV 10 Standard Capacity (12 Filters)
    MERV 10Sold out
    AAF Flanders

    30x30x1 PREpleat LPD MERV 10 Standard Capacity

    $315.99
    $315.99
    Case of 12 $26.33/filter
  • 19-1/2x19-1/2x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.01195195 (10055.01499) (12 Filters)
    MERV 1-4
    AAF Flanders

    19-1/2x19-1/2x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter (10055.01499)

    $157.99
    $157.99
    Case of 12 $13.17/filter
  • 8x20x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.010820 (12 Filters)
    MERV 1-4
    AAF Flanders

    8x20x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $92.99
    $92.99
    Case of 12 $7.75/filter
  • 20x25x5 NaturalAire Optimum Allergen MERV 11 82755.052025 (2 Filters)
    MERV 11
    AAF Flanders

    20x25x5 NaturalAire Optimum Allergen MERV 11

    $145.99
    $145.99
    Case of 2 $73.00/filter
  • 15x25x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.011525 (12 Filters)
    MERV 1-4
    AAF Flanders

    15x25x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $67.99
    $67.99
    Case of 12 $5.67/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!