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Need a different depth?

Same size, deeper filter

Below is 12x30 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.

12x30x2 Built to order 12x30x4 Built to order

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

  • 14x30x1 NaturalAire Healthy Ultra MERV 13 Filters (12 pack)
    MERV 13
    AAF Flanders

    14x30x1 NaturalAire Healthy Ultra MERV 13

    $234.99
    $234.99
    Case of 12 $19.58/filter
  • 10x30x1 NaturalAire Microparticle MERV 10 Filters (12 pack)
    MERV 10
    AAF Flanders

    10x30x1 NaturalAire Microparticle MERV 10

    $235.99
    $235.99
    Case of 12 $19.67/filter
  • 14x30x1 NaturalAire Microparticle MERV 10 Filters (12 pack)
    MERV 10
    AAF Flanders

    14x30x1 NaturalAire Microparticle MERV 10

    $141.99
    $141.99
    Case of 12 $11.83/filter
  • 14x30x1 NaturalAire Standard MERV 8 Filters (12 pack)
    MERV 8
    AAF Flanders

    14x30x1 NaturalAire Standard MERV 8

    $149.99
    $149.99
    Case of 12 $12.50/filter
  • 20x30x1 NaturalAire Microparticle MERV 10 85156.012030 (12 Filters)
    MERV 10
    AAF Flanders

    20x30x1 NaturalAire Microparticle MERV 10

    $171.99
    $171.99
    Case of 12 $14.33/filter
  • 20x30x1 NaturalAire Microparticle MERV 10 85256.012030 (6 Filters)
    MERV 10
    AAF Flanders

    20x30x1 NaturalAire Microparticle MERV 10

    $94.99
    $94.99
    Case of 6 $15.83/filter
  • 10x30x1 NaturalAire Standard MERV 8 84858.011030 (12 Filters)
    AAF Flanders

    10x30x1 NaturalAire Standard MERV 8

    $154.99
    $154.99
    Case of 12 $12.92/filter
  • 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
  • 25x30x1 NaturalAire Healthy Ultra MERV 13 Filters (12 pack)
    AAF Flanders

    25x30x1 NaturalAire Healthy Ultra MERV 13

    $380.99
    $380.99
    Case of 12 $31.75/filter
  • 10x30x1 NaturalAire Microparticle MERV 10 Filters (12 pack)
    MERV 10
    AAF Flanders

    10x30x1 NaturalAire Microparticle MERV 10

    $118.99
    $118.99
    Case of 6 $19.83/filter
  • 16x30x1 NaturalAire Healthy Ultra MERV 13 Filters (12 pack)
    AAF Flanders

    16x30x1 NaturalAire Healthy Ultra MERV 13

    $327.99
    $327.99
    Case of 12 $27.33/filter
  • 24x30x1 NaturalAire Healthy Ultra MERV 13 Filters (12 pack)
    AAF Flanders

    24x30x1 NaturalAire Healthy Ultra MERV 13

    $385.99
    $385.99
    Case of 12 $32.17/filter
  • 10x30x1 NaturalAire Healthy Ultra MERV 13 Filters (12 pack)
    AAF Flanders

    10x30x1 NaturalAire Healthy Ultra MERV 13

    $300.99
    $300.99
    Case of 12 $25.08/filter
  • 18x30x1 NaturalAire Microparticle MERV 10 Filters (12 pack)
    MERV 10
    AAF Flanders

    18x30x1 NaturalAire Microparticle MERV 10

    $122.99
    $122.99
    Case of 6 $20.50/filter
  • 20x30x1 NaturalAire Microparticle MERV 10 Filters (12 pack)
    MERV 10
    AAF Flanders

    WAREHOUSE DEAL 20x30x1 NaturalAire Microparticle MERV 10

    Only 1 left
    $124.88
    $124.88
    Case of 12 $10.41/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
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