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Need a different depth?

Same size, deeper filter

Below is 10x24 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.

10x24x2 Built to order 10x24x4 Built to order

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

  • 15x30x1 NaturalAire Healthy Ultra MERV 13 Filters (12 pack)
    AAF Flanders

    15x30x1 NaturalAire Healthy Ultra MERV 13

    $328.99
    $328.99
    Case of 12 $27.42/filter
  • 14x20x1 NaturalAire Healthy Ultra MERV 13 Filters (12 pack)
    MERV 13
    AAF Flanders

    14x20x1 NaturalAire Healthy Ultra MERV 13

    $230.99
    $230.99
    Case of 12 $19.25/filter
  • 18x30x1 NaturalAire Healthy Ultra MERV 13 Filters (12 pack)
    AAF Flanders

    18x30x1 NaturalAire Healthy Ultra MERV 13

    $326.99
    $326.99
    Case of 12 $27.25/filter
  • 14x25x1 NaturalAire Standard MERV 8 84858.011425 (12 Filters)
    MERV 8
    AAF Flanders

    14x25x1 NaturalAire Standard MERV 8

    $105.99
    $105.99
    Case of 12 $8.83/filter
  • 11-1/2x11-1/2x1 NaturalAire Standard MERV 8 Filters (12 pack)
    MERV 8Up to $27.11 off
    AAF Flanders

    WAREHOUSE DEAL 11-1/2x11-1/2x1 NaturalAire Standard MERV 8

    Only 1 left
    $118.88
    $118.88 $145.99
    Case of 12 $9.91/filter
  • 18x20x1 NaturalAire Healthy Ultra MERV 13 Filters (12 pack)
    MERV 13
    AAF Flanders

    18x20x1 NaturalAire Healthy Ultra MERV 13

    $193.99
    $193.99
    Case of 12 $16.17/filter
  • 17-1/2x17-1/2x1 NaturalAire Standard MERV 8 84858.01175175 (12 Filters)
    MERV 8
    AAF Flanders

    17-1/2x17-1/2x1 NaturalAire Standard MERV 8

    $128.99
    $128.99
    Case of 12 $10.75/filter
  • 18x30x1 NaturalAire Standard MERV 8 Filters (12 pack)
    MERV 8
    AAF Flanders

    18x30x1 NaturalAire Standard MERV 8

    $154.99
    $154.99
    Case of 12 $12.92/filter
  • 21x22x1 NaturalAire Microparticle MERV 10 Filters (12 pack)
    MERV 10
    AAF Flanders

    21x22x1 NaturalAire Microparticle MERV 10

    $257.99
    $257.99
    Case of 12 $21.50/filter
  • 17x29x1 NaturalAire Healthy Ultra MERV 13 Filters (12 pack)
    AAF Flanders

    17x29x1 NaturalAire Healthy Ultra MERV 13

    $359.99
    $359.99
    Case of 12 $30.00/filter
  • 18x20x1 NaturalAire Standard MERV 8 Filters (12 pack)
    MERV 8
    AAF Flanders

    18x20x1 NaturalAire Standard MERV 8

    $105.99
    $105.99
    Case of 12 $8.83/filter
  • 16x25x3 NaturalAire Choice Allergen MERV 8 82655.031625 (2 Filters)
    MERV 8
    AAF Flanders

    16x25x3 NaturalAire Choice Allergen MERV 8

    $109.99
    $109.99
    Case of 2 $55.00/filter
  • 29-1/2x23-1/2x1 NaturalAire Standard MERV 8 Filters (12 pack)
    AAF Flanders

    29-1/2x23-1/2x1 NaturalAire Standard MERV 8

    $306.99
    $306.99
    Case of 12 $25.58/filter
  • 20x22-1/4x1 NaturalAire Standard MERV 8 84858.01202225 (12 Filters)
    MERV 8
    AAF Flanders

    20x22-1/4x1 NaturalAire Standard MERV 8

    $173.99
    $173.99
    Case of 12 $14.50/filter
  • 08x30x1 NaturalAire Standard MERV 8 Filters (12 pack)
    AAF Flanders

    8x30x1 NaturalAire Standard MERV 8

    $131.99
    $131.99
    Case of 12 $11.00/filter
  • 22x22x1 NaturalAire Healthy Ultra MERV 13 Filters (12 pack)
    AAF Flanders

    22x22x1 NaturalAire Healthy Ultra MERV 13

    $213.99
    $213.99
    Case of 12 $17.83/filter
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