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

  • 20x16x12 Koch Multi-Cell Galvanized MERV 11 Single Header 110-734-004 (1 Filters)
    MERV 11
    Koch

    20x16x12 Multi-Cell Galvanized MERV 11 Single Header

    $232.47
    $232.47
  • 15x20x4 Koch Multi-Pleat XL11 MERV 11 102-499-024 (6 Filters)
    MERV 11
    Koch

    15x20x4 Multi-Pleat XL11 MERV 11

    $277.99
    $277.99
    Case of 6 $46.33/filter
  • Koch MicroMAX 20x25x4 MERV 11 galvanized-metal-frame 4-inch extended-surface minipleat filter
    MERV 11
    Koch

    20x25x4 MicroMAX Galvanized Metal Frame MERV 11

    $670.41
    $670.41
    Case of 3 $223.47/filter
  • 18x24x1 AAF Flanders PREpleat M11 MERV 11 Standard Capacity 85655.011824M11 (12 Filters)
    MERV 11
    AAF Flanders

    18x24x1 PREpleat M11 MERV 11 Standard Capacity

    $160.99
    $160.99
    Case of 12 $13.42/filter
  • 14x25x1 Koch Multi-Pleat XL11 MERV 11 High Capacity 102-500-004 (12 Filters)
    MERV 11 HC
    Koch

    14x25x1 Multi-Pleat XL11 MERV 11 High Capacity

    $135.12
    $135.12
    Case of 12 $11.26/filter
  • 25x25x1 AAF Flanders PREpleat M11 MERV 11 High Capacity 85755.012525M11 (12 Filters)
    MERV 11
    AAF Flanders

    25x25x1 PREpleat M11 MERV 11 High Capacity

    $210.99
    $210.99
    Case of 12 $17.58/filter
  • 10x10x1 AAF Flanders PREpleat M11 MERV 11 Standard Capacity 85655.011010M11 (12 Filters)
    MERV 11
    AAF Flanders

    10x10x1 PREpleat M11 MERV 11 Standard Capacity

    $138.99
    $138.99
    Case of 12 $11.58/filter
  • Koch MicroMAX 16x25x4 MERV 11 galvanized-metal-frame 4-inch extended-surface minipleat filter
    MERV 11
    Koch

    16x25x4 MicroMAX Galvanized Metal Frame MERV 11

    $657.60
    $657.60
    Case of 3 $219.20/filter
  • 12x20x2 AAF Flanders PREpleat M11 MERV 11 Standard Capacity 85655.021220M11 (12 Filters)
    MERV 11
    AAF Flanders

    12x20x2 PREpleat M11 MERV 11 Standard Capacity

    $225.99
    $225.99
    Case of 12 $18.83/filter
  • 16x25x4 Koch Multi-Cell CS MERV 11 110-502-406 (2 Filters)
    MERV 11
    Koch

    16x25x4 Multi-Cell CS MERV 11

    $716.88
    $716.88
    Case of 2 $358.44/filter
  • 10x20x2 AAF Flanders PREpleat M11 MERV 11 High Capacity 85755.021020M11 (12 Filters)
    MERV 11
    AAF Flanders

    10x20x2 PREpleat M11 MERV 11 High Capacity

    $368.99
    $368.99
    Case of 12 $30.75/filter
  • 16x25x6 Koch Multi-Cell Galvanized MERV 11 Single Header 110-734-014 (2 Filters)
    MERV 11
    Koch

    16x25x6 Multi-Cell Galvanized MERV 11 Single Header

    $396.84
    $396.84
    Case of 2 $198.42/filter
  • 20x25x4-1/2 NaturalAire Optimum Allergen MERV 11 82755.052025 (2 Filters)
    MERV 11
    AAF Flanders

    20x25x4-1/2 NaturalAire Optimum Allergen MERV 11

    $145.99
    $145.99
    Case of 2 $73.00/filter
  • 16x25x2 Koch Multi-Cell CS MERV 11 110-502-006 (5 Filters)
    MERV 11
    Koch

    16x25x2 Multi-Cell CS MERV 11

    $1,292.20
    $1,292.20
    Case of 5 $258.44/filter
  • 14x25x1 Koch Multi-Pleat XL11 MERV 11 102-499-004 (12 Filters)
    MERV 11
    Koch

    14x25x1 Multi-Pleat XL11 MERV 11

    $132.00
    $132.00
    Case of 12 $11.00/filter
  • 16x25x2 AAF Flanders PREpleat M11 MERV 11 Standard Capacity 85655.021625M11 (12 Filters)
    MERV 11
    AAF Flanders

    16x25x2 PREpleat M11 MERV 11 Standard Capacity

    $215.99
    $215.99
    Case of 12 $18.00/filter
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