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Need a different depth?

Same size, deeper filter

Below is 12x24 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.

12x24x2 Shop this size 12x24x4 Shop this size

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

  • 19x27x1 NaturalAire Standard MERV 8 84858.011927 (12 Filters)
    AAF Flanders

    19x27x1 NaturalAire Standard MERV 8

    $275.99
    $275.99
    Case of 12 $23.00/filter
  • 21x22x1 NaturalAire Microparticle MERV 10 Filters (12 pack)
    MERV 10
    AAF Flanders

    21x22x1 NaturalAire Microparticle MERV 10

    $120.99
    $120.99
    Case of 6 $20.17/filter
  • 14x18x1 NaturalAire Odor Eliminator with Baking Soda MERV 8 air filter
    MERV 8
    AAF Flanders

    14x18x1 NaturalAire Odor Eliminator with Baking Soda MERV 8

    $62.99
    $62.99
    Case of 4 $15.75/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
  • 16x20x1 NaturalAire Microparticle MERV 10 85256.011620 (6 Filters)
    MERV 10
    AAF Flanders

    16x20x1 NaturalAire Microparticle MERV 10

    $69.99
    $69.99
    Case of 6 $11.67/filter
  • 17x21x1 NaturalAire Standard MERV 8 Filters (12 pack)
    MERV 8
    AAF Flanders

    17x21x1 NaturalAire Standard MERV 8

    $168.99
    $168.99
    Case of 12 $14.08/filter
  • 16x32x1 NaturalAire Standard MERV 8 84858.011632 (12 Filters)
    MERV 8
    AAF Flanders

    16x32x1 NaturalAire Standard MERV 8

    $166.99
    $166.99
    Case of 12 $13.92/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
  • 14x20x1 NaturalAire Odor Eliminator with Baking Soda MERV 8 air filter
    MERV 8
    AAF Flanders

    14x20x1 NaturalAire Odor Eliminator with Baking Soda MERV 8

    $62.99
    $62.99
    Case of 4 $15.75/filter
  • 12x24x1 Flanders Nested Glass EZ-Green Filter 10059.011224 (24 Filters)
    MERV 1-4
    AAF Flanders

    12x24x1 Flanders Nested Glass EZ-Green Filter

    $114.99
    $114.99
    Case of 24 $4.79/filter
  • 20x20x1 NaturalAire Healthy Ultra MERV 13 Filters (12 pack)
    MERV 13Up to $40.31 off
    AAF Flanders

    WAREHOUSE DEAL 20x20x1 NaturalAire Healthy Ultra MERV 13

    Only 1 left
    $142.99
    $142.99 $183.30
    Case of 10 $14.30/filter
  • 22x22x1 NaturalAire Microparticle MERV 10 Filters (12 pack)
    MERV 10
    AAF Flanders

    22x22x1 NaturalAire Microparticle MERV 10

    $107.99
    $107.99
    Case of 6 $18.00/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
  • 15x20x1 NaturalAire Microparticle MERV 10 Filters (12 pack)
    MERV 10
    AAF Flanders

    15x20x1 NaturalAire Microparticle MERV 10

    $89.99
    $89.99
    Case of 6 $15.00/filter
  • 14x20x1 NaturalAire Microparticle MERV 10 85156.011420 (12 Filters)
    MERV 10
    AAF Flanders

    14x20x1 NaturalAire Microparticle MERV 10

    $178.99
    $178.99
    Case of 12 $14.92/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
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