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

217 products

Clear all
  • Flanders AAF Pleated Filter 3M Filtrete FAPF02 Compatible Air Purifier Filter (12 pack)
    RTF

    3M Filtrete FAPF02 Compatible Air Purifier Filter MERV 8

    $186.99
    $186.99
    Case of 12 $15.58/filter
  • 22x22x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.012222 (12 Filters)
    MERV 1-4
    AAF Flanders

    22x22x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $95.99
    $95.99
    Case of 12 $8.00/filter
  • 25x25x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.012525 (12 Filters)
    MERV 1-4
    AAF Flanders

    25x25x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $96.99
    $96.99
    Case of 12 $8.08/filter
  • 20x36x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.012036 (12 Filters)
    MERV 1-4
    AAF Flanders

    20x36x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $146.99
    $146.99
    Case of 12 $12.25/filter
  • 18x36x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.011836 (12 Filters)
    MERV 1-4
    AAF Flanders

    18x36x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $138.99
    $138.99
    Case of 12 $11.58/filter
  • 8x14x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.01814 (12 Filters)
    MERV 1-4
    AAF Flanders

    8x14x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $92.99
    $92.99
    Case of 12 $7.75/filter
  • 8x24x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.01824 (12 Filters)
    MERV 1-4
    AAF Flanders

    8x24x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $78.99
    $78.99
    Case of 12 $6.58/filter
  • 15x24x1/4 NaturalAire Kwik Kut Foam Filter KK1000 (24 pack)
    MERV 1-4
    AAF Flanders

    15x24x1/4 NaturalAire Kwik Kut Foam Filter KK1000

    $197.99
    $197.99
    Case of 24 $8.25/filter
  • 10x24x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.011024 (12 Filters)
    MERV 1-4
    AAF Flanders

    10x24x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $63.99
    $63.99
    Case of 12 $5.33/filter
  • 23-1/2x23-1/2x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.01235235 (12 Filters)
    MERV 1-4
    AAF Flanders

    23-1/2x23-1/2x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $102.99
    $102.99
    Case of 12 $8.58/filter
  • 10x30x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.011030 (12 Filters)
    MERV 1-4
    AAF Flanders

    10x30x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $71.99
    $71.99
    Case of 12 $6.00/filter
  • 17x21x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.011721 (12 Filters)
    MERV 1-4
    AAF Flanders

    17x21x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $101.99
    $101.99
    Case of 12 $8.50/filter
  • Flanders Precisionaire Foam Service Roll Media
    AAF Flanders

    Flanders Precisionaire Foam Service Roll Media

    From $74.99
    From $74.99 $0.00
  • 15x24x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter (12 Filters)
    MERV 1-4
    AAF Flanders

    15x24x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $127.99
    $127.99
    Case of 12 $10.67/filter
  • 23x23x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.012323 (12 Filters)
    MERV 1-4
    AAF Flanders

    23x23x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $107.99
    $107.99
    Case of 12 $9.00/filter
Show more

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!