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Need a different depth?

Same size, deeper filter

Below is 18x25 at 1 ez flow″. 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.

18x25x2 Shop this size 18x25x4 Built to order

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

  • WAREHOUSE DEAL 22x22x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.012222 (12 Filters)
    MERV 1-4Up to $16.11 offContact Support
    AAF Flanders

    WAREHOUSE DEAL 22x22x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $79.88
    $79.88 $95.99
    Case of 12 $6.66/filter
  • 16x22-1/4x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.01162214 (12 Filters)
    MERV 1-4
    AAF Flanders

    16x22-1/4x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $100.99
    $100.99
    Case of 12 $8.42/filter
  • PrimeShield Essential MERV 8 Pleated Air Filters (12 Pack)
    MERV 8
    RTF

    PrimeShield Essential MERV 8 Pleated Air Filters

    From $99.99
    From $99.99
    Case of 12 $8.33/filter
  • 12x16x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.011216 (12 Filters)
    MERV 1-4
    AAF Flanders

    12x16x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $77.99
    $77.99
    Case of 12 $6.50/filter
  • 19x27x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.011927 (12 Filters)
    MERV 1-4
    AAF Flanders

    19x27x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $104.99
    $104.99
    Case of 12 $8.75/filter
  • Flanders AAF Basic Filter 16x20x1 EZ Flow II Filters 10055.011620 (12 Filters)
    MERV 1-4Up to $19.11 off
    AAF Flanders

    WAREHOUSE DEAL 16x20x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    Only 1 left
    $40.88
    $40.88 $59.99
    Case of 12 $3.41/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
  • WAREHOUSE DEAL 8x16x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.01816 (12 Filters)
    MERV 1-4Up to $20.11 off
    AAF Flanders

    WAREHOUSE DEAL 8x16x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    Only 1 left
    $64.88
    $64.88 $84.99
    Case of 12 $5.41/filter
  • 18x25x1 AAF Flanders PREpleat LPD MERV 10 Standard Capacity 80055.011825 (12 Filters)
    MERV 10
    AAF Flanders

    18x25x1 PREpleat LPD MERV 10 Standard Capacity

    $104.99
    $104.99
    Case of 12 $8.75/filter
  • PrimeShield Advanced MERV 11 Pleated Air Filters (12 Pack)
    MERV 11
    RTF

    PrimeShield Advanced MERV 11 Pleated Air Filters

    From $119.99
    From $119.99
    Case of 12 $10.00/filter
  • Koch Disposable Polyester Panel Filter
    MERV 1-4
    Koch

    Disposable Polyester Panel Filter

    From $69.99
    From $69.99
  • Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.01215215 (12 Filters)
    MERV 1-4Contact Support
    AAF Flanders

    Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $64.99
    $64.99
    Case of 12 $5.42/filter
  • 18x25x1 Koch Multi-Pleat XL8 Standard Capacity MERV 8 102-041-011 (12 Filters)
    MERV 8
    Koch

    18x25x1 Multi-Pleat XL8 MERV 8 Standard Capacity

    $104.99
    $104.99
    Case of 12 $8.75/filter
  • PrimeShield Elite MERV 13 Pleated Air Filters (12 Pack)
    MERV 13
    RTF

    PrimeShield Elite MERV 13 Pleated Air Filters

    From $187.99
    From $187.99
    Case of 12 $15.67/filter
  • AAF Flanders PREpleat M11 MERV 11 Standard Capacity (12 Filters)
    MERV 11
    AAF Flanders

    PREpleat M11 MERV 11 Standard Capacity

    From $123.99
    From $123.99
    Case of 12 $10.33/filter
  • 18x25x1 Exact Filters Pleated MERV 8 (12 pack)
    MERV 8
    Exact Filters

    18x25x1 Pleated MERV 8

    $211.99
    $211.99
    Case of 12 $17.67/filter
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