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Need a different depth?

Same size, deeper filter

Below is 25x25 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.

25x25x2 Shop this size 25x25x4 Built to order

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

  • PrimeShield Enhanced MERV 10 Pleated Air Filters (12 Pack)
    MERV 10
    RTF

    PrimeShield Enhanced MERV 10 Pleated Air Filters

    From $99.99
    From $99.99
    Case of 12 $8.33/filter
  • 16x16x1 NaturalAire Healthy Ultra MERV 13 Filters (12 pack)
    AAF Flanders

    16x16x1 NaturalAire Healthy Ultra MERV 13

    $275.99
    $275.99
    Case of 12 $23.00/filter
  • 12x24x1 NaturalAire Healthy Ultra MERV 13 95003.011224 (12 Filters)
    MERV 13
    AAF Flanders

    12x24x1 NaturalAire Healthy Ultra MERV 13

    $174.99
    $174.99
    Case of 12 $14.58/filter
  • 10x24x1 NaturalAire Microparticle MERV 10 Filters (12 pack)
    MERV 10
    AAF Flanders

    10x24x1 NaturalAire Microparticle MERV 10

    $242.99
    $242.99
    Case of 12 $20.25/filter
  • 08x14x1 NaturalAire Standard MERV 8 Filters (12 pack)
    AAF Flanders

    8x14x1 NaturalAire Standard MERV 8

    $219.99
    $219.99
    Case of 12 $18.33/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
  • 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
  • 16x24x1 NaturalAire Healthy Ultra MERV 13 Filters (12 pack)
    AAF Flanders

    16x24x1 NaturalAire Healthy Ultra MERV 13

    $203.99
    $203.99
    Case of 12 $17.00/filter
  • 18x18x1 NaturalAire Microparticle MERV 10 Filters (12 pack)
    MERV 10
    AAF Flanders

    18x18x1 NaturalAire Microparticle MERV 10

    $261.99
    $261.99
    Case of 12 $21.83/filter
  • Koch Multi-Pleat XL8 MERV 8 Standard Capacity (12 Filters)
    MERV 8
    Koch

    Multi-Pleat XL8 MERV 8 Standard Capacity

    From $103.99
    From $103.99
    Case of 12 $8.67/filter
  • Koch Disposable Fiberglass Panel Filter
    MERV 1-4
    Koch

    Disposable Fiberglass Panel Filter

    From $59.99
    From $59.99
  • 08x24x1 NaturalAire Healthy Ultra MERV 13 Filters (12 pack)
    MERV 13
    AAF Flanders

    8x24x1 NaturalAire Healthy Ultra MERV 13

    $219.99
    $219.99
    Case of 12 $18.33/filter
  • 15x30x1 NaturalAire Standard MERV 8 Filters (12 pack)
    MERV 8
    AAF Flanders

    15x30x1 NaturalAire Standard MERV 8

    $167.99
    $167.99
    Case of 12 $14.00/filter
  • AAF Flanders PREpleat LPD MERV 10 High Capacity (12 Filters)
    MERV 10
    AAF Flanders

    PREpleat LPD MERV 10 High Capacity

    From $111.99
    From $111.99
    Case of 12 $9.33/filter
  • AAF Flanders PREpleat M13 MERV 13 (12 Filters)
    MERV 13
    AAF Flanders

    PREpleat M13 MERV 13

    From $195.99
    From $195.99
    Case of 12 $16.33/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
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