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Need a different depth?

Same size, deeper filter

Below is 24x36 at 1 naturalaire″. A thicker filter holds more before it loads up, so it lasts longer between changes and puts less strain on the blower — we carry the same width and height in the depths below.

24x36x2 Built to order 24x36x4 Built to order

Ordering for a building? Ask for volume pricing or call 1-866-469-8556.

  • 20x36x1 NaturalAire Microparticle MERV 10 Filters (12 pack)
    MERV 10
    AAF Flanders

    20x36x1 NaturalAire Microparticle MERV 10

    $160.99
    $160.99
    Case of 6 $26.83/filter
  • 20x36x1 NaturalAire Healthy Ultra MERV 13 Filters (12 pack)
    AAF Flanders

    20x36x1 NaturalAire Healthy Ultra MERV 13

    $370.99
    $370.99
    Case of 12 $30.92/filter
  • 18x36x1 NaturalAire Healthy Ultra MERV 13 Filters (12 pack)
    AAF Flanders

    18x36x1 NaturalAire Healthy Ultra MERV 13

    $351.99
    $351.99
    Case of 12 $29.33/filter
  • 18x36x1 NaturalAire Microparticle MERV 10 Filters (12 pack)
    MERV 10
    AAF Flanders

    18x36x1 NaturalAire Microparticle MERV 10

    $129.99
    $129.99
    Case of 6 $21.67/filter
  • 20x36x1 NaturalAire Microparticle MERV 10 Filters (12 pack)
    MERV 10
    AAF Flanders

    20x36x1 NaturalAire Microparticle MERV 10

    $289.99
    $289.99
    Case of 12 $24.17/filter
  • 14x36x1 NaturalAire Standard MERV 8 84858.011436 (12 Filters)
    MERV 8
    AAF Flanders

    14x36x1 NaturalAire Standard MERV 8

    $167.99
    $167.99
    Case of 12 $14.00/filter
  • 20x36x1 NaturalAire Standard MERV 8 84858.012036 (12 Filters)
    MERV 8
    AAF Flanders

    20x36x1 NaturalAire Standard MERV 8

    $186.99
    $186.99
    Case of 12 $15.58/filter
  • 18x36x1 NaturalAire Standard MERV 8 84858.011836 (12 Filters)
    MERV 8
    AAF Flanders

    18x36x1 NaturalAire Standard MERV 8

    $193.99
    $193.99
    Case of 12 $16.17/filter
  • 10x36x1 NaturalAire Standard MERV 8 84858.011036 (12 Filters)
    MERV 8
    AAF Flanders

    10x36x1 NaturalAire Standard MERV 8

    $150.99
    $150.99
    Case of 12 $12.58/filter
  • 08x24x1 NaturalAire Healthy Ultra MERV 13 Filters (12 pack)
    MERV 13
    AAF Flanders

    8x24x1 NaturalAire Healthy Ultra MERV 13

    $219.99
    $219.99
    Case of 12 $18.33/filter
  • 24x36x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.012436 (12 Filters)
    MERV 1-4
    AAF Flanders

    24x36x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $149.99
    $149.99
    Case of 12 $12.50/filter
  • 16x16x1 NaturalAire Healthy Ultra MERV 13 Filters (12 pack)
    AAF Flanders

    16x16x1 NaturalAire Healthy Ultra MERV 13

    $275.99
    $275.99
    Case of 12 $23.00/filter
  • Koch Disposable Fiberglass Panel Filter
    MERV 1-4
    Koch

    Disposable Fiberglass Panel Filter

    From $59.99
    From $59.99
  • PrimeShield MAX Airflow MERV 1-4 Fiberglass Panel Basic Air Filters (12 Pack)
    MERV 1-4
    RTF

    PrimeShield MAX Airflow MERV 1-4 Fiberglass Panel Basic Air Filters

    From $57.99
    From $57.99
    Case of 12 $4.83/filter
  • 14x22x1 NaturalAire Standard MERV 8 Filters (12 pack)
    MERV 8Up to $47.11 offContact Support
    AAF Flanders

    WAREHOUSE DEAL 14x22x1 NaturalAire Standard MERV 8

    $105.88
    $105.88 $152.99
    Case of 12 $8.82/filter
  • Koch Disposable Polyester Panel Filter
    MERV 1-4
    Koch

    Disposable Polyester Panel Filter

    From $69.99
    From $69.99
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