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Need a different depth?

Same size, deeper filter

Below is 18x20 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.

18x20x2 Shop this size 18x20x4 Built to order

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

  • 14x25x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.011425 (12 Filters)
    MERV 1-4
    AAF Flanders

    14x25x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $61.99
    $61.99
    Case of 12 $5.17/filter
  • 18-1/2x22x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.0118522 (12 Filters)
    MERV 1-4
    AAF Flanders

    18-1/2x22x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $156.99
    $156.99
    Case of 12 $13.08/filter
  • 17-1/2x17-1/2x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.01175175 (12 Filters)
    MERV 1-4
    AAF Flanders

    17-1/2x17-1/2x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $89.99
    $89.99
    Case of 12 $7.50/filter
  • 10x10x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.011010 (12 Filters)
    MERV 1-4
    AAF Flanders

    10x10x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $64.99
    $64.99
    Case of 12 $5.42/filter
  • WAREHOUSE DEAL 18x36x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter (12 Filters)
    MERV 1-4Up to $47.11 offContact Support
    AAF Flanders

    WAREHOUSE DEAL 18x36x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $79.88
    $79.88 $126.99
    Case of 12 $6.66/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
  • 12x36x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.011236 (12 Filters)
    MERV 1-4
    AAF Flanders

    12x36x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $126.99
    $126.99
    Case of 12 $10.58/filter
  • 8x24x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.01824 (12 Filters)
    MERV 1-4
    AAF Flanders

    8x24x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $71.99
    $71.99
    Case of 12 $6.00/filter
  • WAREHOUSE DEAL 16x18x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter (12 Filters)
    MERV 1-4Up to $14 off
    AAF Flanders

    WAREHOUSE DEAL 16x18x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $51.99
    $51.99 $65.99
    Case of 12 $4.33/filter
  • 22x22x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.012222 (12 Filters)
    MERV 1-4
    AAF Flanders

    22x22x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $95.99
    $95.99
    Case of 12 $8.00/filter
  • 15x30x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.011530 (12 Filters)
    MERV 1-4
    AAF Flanders

    15x30x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $93.99
    $93.99
    Case of 12 $7.83/filter
  • 12x30x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.011230 (12 Filters)
    MERV 1-4
    AAF Flanders

    12x30x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $72.99
    $72.99
    Case of 12 $6.08/filter
  • 19-7/8x21-1/2x1 EZ Flow II Filters (12 Filters)
    MERV 1-4
    AAF Flanders

    19-7/8x21-1/2x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $184.99
    $184.99
    Case of 12 $15.42/filter
  • 23-1/2x23-1/2x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.01235235 (12 Filters)
    MERV 1-4
    AAF Flanders

    23-1/2x23-1/2x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $93.99
    $93.99
    Case of 12 $7.83/filter
  • 16x24x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter 10055.011624 (12 Filters)
    MERV 1-4
    AAF Flanders

    16x24x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $61.99
    $61.99
    Case of 12 $5.17/filter
  • 18x20x1 NaturalAire Standard MERV 8 Filters (12 pack)
    MERV 8
    AAF Flanders

    18x20x1 NaturalAire Standard MERV 8

    $96.99
    $96.99
    Case of 12 $8.08/filter
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