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Need a different depth?

Same size, deeper filter

Below is 8x24 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.

8x24x2 Built to order 8x24x4 Built to order

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

  • 16x25x1 NaturalAire Standard MERV 8 84858.011625 (12 Filters)
    MERV 8
    AAF Flanders

    16x25x1 NaturalAire Standard MERV 8

    $105.99
    $105.99
    Case of 12 $8.83/filter
  • 12x24x1 NaturalAire Standard MERV 8 84858.011224 (12 Filters)
    MERV 8
    AAF Flanders

    12x24x1 NaturalAire Standard MERV 8

    $99.99
    $99.99
    Case of 12 $8.33/filter
  • 21-1/2x24x1 NaturalAire Standard MERV 8 Filters (12 pack)
    MERV 8
    AAF Flanders

    21-1/2x24x1 NaturalAire Standard MERV 8

    $180.99
    $180.99
    Case of 12 $15.08/filter
  • 20x20x1 NaturalAire Standard MERV 8 84858.012020 (12 Filters)
    MERV 8
    AAF Flanders

    20x20x1 NaturalAire Standard MERV 8

    $104.99
    $104.99
    Case of 12 $8.75/filter
  • 18x24x1 NaturalAire Healthy Ultra MERV 13 Filters (12 pack)
    MERV 13Up to $31.51 off
    AAF Flanders

    WAREHOUSE DEAL 18x24x1 NaturalAire Healthy Ultra MERV 13

    Only 1 left
    $97.99
    $97.99 $129.50
    Case of 7 $14.00/filter
  • 20x25x5 NaturalAire Choice Allergen MERV 8 82655.052025 (2 Filters)
    MERV 8
    AAF Flanders

    20x25x5 NaturalAire Choice Allergen MERV 8

    $112.99
    $112.99
    Case of 2 $56.50/filter
  • 18x24x1 NaturalAire Microparticle MERV 10 85156.011824 (12 Filters)
    MERV 10
    AAF Flanders

    18x24x1 NaturalAire Microparticle MERV 10

    $148.99
    $148.99
    Case of 12 $12.42/filter
  • 14x24x1 NaturalAire Microparticle MERV 10 85256.011424 (6 Filters)
    MERV 10
    AAF Flanders

    14x24x1 NaturalAire Microparticle MERV 10

    $89.99
    $89.99
    Case of 6 $15.00/filter
  • 18x24x1 NaturalAire Microparticle MERV 10 85256.011824 (6 Filters)
    MERV 10
    AAF Flanders

    18x24x1 NaturalAire Microparticle MERV 10

    $84.99
    $84.99
    Case of 6 $14.17/filter
  • 18x24x1 NaturalAire Healthy Ultra MERV 13 Filters (12 pack)
    MERV 13
    AAF Flanders

    18x24x1 NaturalAire Healthy Ultra MERV 13

    $243.99
    $243.99
    Case of 12 $20.33/filter
  • 10x24x1 NaturalAire Standard MERV 8 84858.011024 (12 Filters)
    MERV 8
    AAF Flanders

    10x24x1 NaturalAire Standard MERV 8

    $165.99
    $165.99
    Case of 12 $13.83/filter
  • 22x24x1 NaturalAire Standard MERV 8 84858.012224 (12 Filters)
    MERV 8
    AAF Flanders

    22x24x1 NaturalAire Standard MERV 8

    $175.99
    $175.99
    Case of 12 $14.67/filter
  • 14x24x1 NaturalAire Standard MERV 8 Filters (12 pack)
    MERV 8Up to $17.11 offContact Support
    AAF Flanders

    WAREHOUSE DEAL 14x24x1 NaturalAire Standard MERV 8

    $79.88
    $79.88 $96.99
    Case of 12 $6.66/filter
  • 15x24x1 NaturalAire Standard MERV 8 Filters (12 pack)
    MERV 8
    AAF Flanders

    15x24x1 NaturalAire Standard MERV 8

    $169.99
    $169.99
    Case of 12 $14.17/filter
  • 24x24x1 NaturalAire Odor Eliminator with Baking Soda MERV 8 air filter
    MERV 8
    AAF Flanders

    24x24x1 NaturalAire Odor Eliminator with Baking Soda MERV 8

    $91.99
    $91.99
    Case of 4 $23.00/filter
  • 18x24x1 NaturalAire Microparticle MERV 10 Filters (12 pack)
    MERV 10Up to $18.11 off
    AAF Flanders

    WAREHOUSE DEAL 18x24x1 NaturalAire Microparticle MERV 10

    $59.88
    $59.88 $77.99
    Case of 6 $9.98/filter
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