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Need a different depth?

Same size, deeper filter

Below is 24x30 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.

24x30x2 Built to order 24x30x4 Built to order

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

  • 24x24x1 NaturalAire Healthy Ultra MERV 13 Filters (12 pack)
    MERV 13
    AAF Flanders

    24x24x1 NaturalAire Healthy Ultra MERV 13

    $261.99
    $261.99
    Case of 12 $21.83/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
  • 18x30x1 NaturalAire Microparticle MERV 10 Filters (12 pack)
    MERV 10
    AAF Flanders

    18x30x1 NaturalAire Microparticle MERV 10

    $246.99
    $246.99
    Case of 12 $20.58/filter
  • 15x30x1 NaturalAire Microparticle MERV 10 Filters (12 pack)
    MERV 10
    AAF Flanders

    15x30x1 NaturalAire Microparticle MERV 10

    $246.99
    $246.99
    Case of 12 $20.58/filter
  • 16x30x1 NaturalAire Microparticle MERV 10 Filters (12 pack)
    MERV 10
    AAF Flanders

    16x30x1 NaturalAire Microparticle MERV 10

    $115.99
    $115.99
    Case of 6 $19.33/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
  • 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
  • 16x30x1 NaturalAire Microparticle MERV 10 Filters (12 pack)
    MERV 10
    AAF Flanders

    16x30x1 NaturalAire Microparticle MERV 10

    $255.99
    $255.99
    Case of 12 $21.33/filter
  • 15x30x1 NaturalAire Microparticle MERV 10 Filters (12 pack)
    MERV 10
    AAF Flanders

    15x30x1 NaturalAire Microparticle MERV 10

    $123.99
    $123.99
    Case of 6 $20.67/filter
  • Flanders AAF Pleated Filter Naturalaire Standard MERV 8 Filters (12 pack)
    MERV 8
    AAF Flanders

    NaturalAire Standard MERV 8

    $81.99
    $81.99
    Case of 6 $13.67/filter
  • 24x24x1 NaturalAire Microparticle MERV 10 85156.012424 (12 Filters)
    MERV 10
    AAF Flanders

    24x24x1 NaturalAire Microparticle MERV 10

    $182.99
    $182.99
    Case of 12 $15.25/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
  • 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
  • 20x24x1 NaturalAire Healthy Ultra MERV 13 Filters (12 pack)
    MERV 13
    AAF Flanders

    20x24x1 NaturalAire Healthy Ultra MERV 13

    $204.99
    $204.99
    Case of 12 $17.08/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
  • 24x36x1 NaturalAire Microparticle MERV 10 Filters (12 pack)
    MERV 10
    AAF Flanders

    24x36x1 NaturalAire Microparticle MERV 10

    $304.99
    $304.99
    Case of 12 $25.42/filter
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