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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.

  • 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
  • 18x25x1 Exact Filters Pleated MERV 11 (12 pack)
    MERV 11
    Exact Filters

    18x25x1 Pleated MERV 11

    $258.99
    $258.99
    Case of 12 $21.58/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
  • 18x25x1 Koch Multi-Pleat XL8 MERV 8 High Capacity 102-031-011 (12 Filters)
    MERV 8 HC
    Koch

    18x25x1 Multi-Pleat XL8 MERV 8 High Capacity

    $179.88
    $179.88
    Case of 12 $14.99/filter
  • 18x25x1 AAF Flanders PREpleat LPD MERV 10 High Capacity 80255.011825 (12 Filters)
    MERV 10
    AAF Flanders

    18x25x1 PREpleat LPD MERV 10 High Capacity

    $118.99
    $118.99
    Case of 12 $9.92/filter
  • 18x25x1 Koch Multi-Pleat Green13 MERV 13 High Capacity 102-101-011 (12 Filters)
    MERV 13 HC
    Koch

    18x25x1 Multi-Pleat Green13 MERV 13 High Capacity

    $478.08
    $478.08
    Case of 12 $39.84/filter
  • Flanders AAF Pleated Filter Pre Pleat HV (12 Filters) 85455.011825
    Contact Support
    AAF Flanders

    18x25x1 PrePleat HV (High Velocity) MERV 8

    $192.99
    $192.99
    Case of 12 $16.08/filter
  • 18x25x1 Koch Multi-Pleat XL11 MERV 11 High Capacity 102-081-011 (12 Filters)
    MERV 11 HC
    Koch

    18x25x1 Multi-Pleat XL11 MERV 11 High Capacity

    $236.28
    $236.28
    Case of 12 $19.69/filter
  • 18x25x1 Exact Filters Fiberglass MERV 1-4 (12 pack)
    MERV 1-4
    Exact Filters

    18x25x1 Fiberglass MERV 1-4

    $183.99
    $183.99
    Case of 12 $15.33/filter
  • 18x25x1 AAF Flanders PREpleat M11 MERV 11 High Capacity 85755.011825M11 (12 Filters)
    MERV 11
    AAF Flanders

    18x25x1 PREpleat M11 MERV 11 High Capacity

    $182.99
    $182.99
    Case of 12 $15.25/filter
  • PrimeShield WashGuard Metal HVAC Air Filter - Washable & Reusable
    MERV 8
    RTF

    PrimeShield WashGuard Metal HVAC Air Filter - Washable & Reusable

    From $149.99
    From $149.99
  • 18x25x1 AAF Flanders PREpleat M13 MERV 13 90013.011825 (12 Filters)
    MERV 13
    AAF Flanders

    18x25x1 PREpleat M13 MERV 13

    $196.99
    $196.99
    Case of 12 $16.42/filter
  • AAF Flanders PREpleat Activated Carbon Odor Control (12 Filters)
    AAF Flanders

    PREpleat Activated Carbon Odor Control

    From $152.99
    From $152.99
    Case of 12 $12.75/filter
  • 18x25x1 Exact Filters Pleated MERV 13 (12 pack)
    MERV 13
    Exact Filters

    18x25x1 Pleated MERV 13

    $279.99
    $279.99
    Case of 12 $23.33/filter
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