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Tip: a size in quotes — "16x25x1" — shows only that exact size. Leave the quotes off to see nearby sizes too.

  • Koch MicroMAX PL4S 20x20x4 MERV 11 4-inch synthetic-media plastic-frame box-style minipleat filter
    MERV 11
    Koch

    20x20x4 MicroMAX PL4S Box Style MERV 11

    $408.81
    $408.81
    Case of 3 $136.27/filter
  • 20x30x1 AAF Flanders PREpleat M11 MERV 11 Standard Capacity 85655.012030M11 (12 Filters)
    MERV 11
    AAF Flanders

    20x30x1 PREpleat M11 MERV 11 Standard Capacity

    $154.99
    $154.99
    Case of 12 $12.92/filter
  • 20x25x4 AAF Flanders PREpleat M11 MERV 11 Standard Capacity 85655.042025M11 (6 Filters)
    MERV 11
    AAF Flanders

    20x25x4 PREpleat M11 MERV 11 Standard Capacity

    $239.99
    $239.99
    Case of 6 $40.00/filter
  • 12x24x4 AAF Flanders PREpleat M11 MERV 11 Standard Capacity 85655.041224M11 (6 Filters)
    MERV 11
    AAF Flanders

    12x24x4 PREpleat M11 MERV 11 Standard Capacity

    $223.99
    $223.99
    Case of 6 $37.33/filter
  • 8-5/8x9-7/8x1 (8.625x9.875x0.75) Exact Filters Pleated MERV 11 (12 pack)
    MERV 11
    Exact Filters

    8-5/8x9-7/8x1 (8.625x9.875x0.75) Pleated MERV 11

    $231.99
    $231.99
    Case of 12 $19.33/filter
  • 10x20x1 AAF Flanders PREpleat M11 MERV 11 Standard Capacity 85655.011020M11 (12 Filters)
    MERV 11
    AAF Flanders

    10x20x1 PREpleat M11 MERV 11 Standard Capacity

    $142.99
    $142.99
    Case of 12 $11.92/filter
  • 12x24x4 AAF Flanders PREpleat M11 MERV 11 High Capacity 85755.041224M11 (6 Filters)
    MERV 11
    AAF Flanders

    12x24x4 PREpleat M11 MERV 11 High Capacity

    $236.99
    $236.99
    Case of 6 $39.50/filter
  • Koch Multi-Flo Series G 24x20x6 MERV 11 Single Header rigid cell filter
    MERV 11
    Koch

    24x20x6 Multi-Flo G Single Header MERV 11

    $266.52
    $266.52
    Case of 2 $133.26/filter
  • 9-1/4x11-1/2x1 (9.25x11.5x0.75) Exact Filters Pleated MERV 11 (12 pack)
    MERV 11
    Exact Filters

    9-1/4x11-1/2x1 (9.25x11.5x0.75) Pleated MERV 11

    $231.99
    $231.99
    Case of 12 $19.33/filter
  • Koch Multi-Flo Series G 24x12x6 MERV 11 No Header rigid cell filter
    MERV 11
    Koch

    24x12x6 Multi-Flo G No Header MERV 11

    $469.56
    $469.56
    Case of 4 $117.39/filter
  • 20x24x1 AAF Flanders PREpleat M11 MERV 11 High Capacity 85755.012024M11 (12 Filters)
    MERV 11
    AAF Flanders

    20x24x1 PREpleat M11 MERV 11 High Capacity

    $189.99
    $189.99
    Case of 12 $15.83/filter
  • 16x24x2 AAF Flanders PREpleat M11 MERV 11 High Capacity 85755.021624M11 (12 Filters)
    MERV 11
    AAF Flanders

    16x24x2 PREpleat M11 MERV 11 High Capacity

    $325.99
    $325.99
    Case of 12 $27.17/filter
  • 16x20x2 AAF Flanders PREpleat M11 MERV 11 Standard Capacity 85655.021620M11 (12 Filters)
    MERV 11
    AAF Flanders

    16x20x2 PREpleat M11 MERV 11 Standard Capacity

    $215.99
    $215.99
    Case of 12 $18.00/filter
  • 24x24x2 AAF Flanders PREpleat M11 MERV 11 Standard Capacity 85655.022424M11 (12 Filters)
    MERV 11
    AAF Flanders

    24x24x2 PREpleat M11 MERV 11 Standard Capacity

    $259.99
    $259.99
    Case of 12 $21.67/filter
  • 9-7/8x24-1/4x1 (9.875x24.25x0.75) Exact Filters Pleated MERV 11 (12 pack)
    MERV 11
    Exact Filters

    9-7/8x24-1/4x1 (9.875x24.25x0.75) Pleated MERV 11

    $239.99
    $239.99
    Case of 12 $20.00/filter
  • 14-1/8x21-7/8x1 (14.125x21.875x0.75) Exact Filters Pleated MERV 11 (12 pack)
    MERV 11
    Exact Filters

    14-1/8x21-7/8x1 (14.125x21.875x0.75) Pleated MERV 11

    $239.99
    $239.99
    Case of 12 $20.00/filter
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