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  • 20x25x4 Koch Multi-Cell CS MERV 11 110-502-404 (2 Filters)
    MERV 11
    Koch

    20x25x4 Multi-Cell CS MERV 11

    $807.32
    $807.32
    Case of 2 $403.66/filter
  • 18x18x1 Koch Multi-Pleat XL11 MERV 11 High Capacity 102-081-009 (12 Filters)
    MERV 11 HC
    Koch

    18x18x1 Multi-Pleat XL11 MERV 11 High Capacity

    $216.24
    $216.24
    Case of 12 $18.02/filter
  • 18x24x2 Koch Multi-Pleat XL11 MERV 11 102-499-018 (12 Filters)
    MERV 11
    Koch

    18x24x2 Multi-Pleat XL11 MERV 11

    $246.99
    $246.99
    Case of 12 $20.58/filter
  • 12x24x2 Koch Multi-Pleat XL11 MERV 11 High Capacity 102-500-012 (12 Filters)
    MERV 11 HC
    Koch

    12x24x2 Multi-Pleat XL11 MERV 11 High Capacity

    $221.99
    $221.99
    Case of 12 $18.50/filter
  • 18x20x2 Koch Multi-Pleat XL11 MERV 11 102-092-015 (12 Filters)
    MERV 11
    Koch

    18x20x2 Multi-Pleat XL11 MERV 11

    $271.99
    $271.99
    Case of 12 $22.67/filter
  • 20x25x2 AAF Flanders PREpleat M11 MERV 11 Standard Capacity 85655.022025M11 (12 Filters)
    MERV 11
    AAF Flanders

    20x25x2 PREpleat M11 MERV 11 Standard Capacity

    $239.99
    $239.99
    Case of 12 $20.00/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
  • 12x24x4 Koch Multi-Cell CS MERV 11 110-502-403 (2 Filters)
    MERV 11
    Koch

    12x24x4 Multi-Cell CS MERV 11

    $525.04
    $525.04
    Case of 2 $262.52/filter
  • 20x25x4 AAF Flanders PREpleat M11 MERV 11 High Capacity 85755.042025M11 (6 Filters)
    MERV 11
    AAF Flanders

    20x25x4 PREpleat M11 MERV 11 High Capacity

    $291.99
    $291.99
    Case of 6 $48.67/filter
  • 24x12x6 Koch Multi-Cell Galvanized MERV 11 Double Header 110-724-010 (4 Filters)
    MERV 11
    Koch

    24x12x6 Multi-Cell Galvanized MERV 11 Double Header

    $558.56
    $558.56
    Case of 4 $139.64/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
  • 20x25x6 Koch Multi-Cell Galvanized MERV 11 Double Header 110-724-016 (2 Filters)
    MERV 11
    Koch

    20x25x6 Multi-Cell Galvanized MERV 11 Double Header

    $434.62
    $434.62
    Case of 2 $217.31/filter
  • 20x25x2 Koch Multi-Pleat XL11 MERV 11 102-499-021 (12 Filters)
    MERV 11
    Koch

    20x25x2 Multi-Pleat XL11 MERV 11

    $250.99
    $250.99
    Case of 12 $20.92/filter
  • 18x18x2 Koch Multi-Pleat XL11 MERV 11 High Capacity 102-082-007 (12 Filters)
    MERV 11 HC
    Koch

    18x18x2 Multi-Pleat XL11 MERV 11 High Capacity

    $359.99
    $359.99
    Case of 12 $30.00/filter
  • 24x24x4 AAF Flanders PREpleat M11 MERV 11 Standard Capacity 85655.042424M11 (6 Filters)
    MERV 11
    AAF Flanders

    24x24x4 PREpleat M11 MERV 11 Standard Capacity

    $255.99
    $255.99
    Case of 6 $42.67/filter
  • 20x25x2 AAF Flanders PREpleat M11 MERV 11 High Capacity 85755.022025M11 (12 Filters)
    MERV 11
    AAF Flanders

    20x25x2 PREpleat M11 MERV 11 High Capacity

    $324.99
    $324.99
    Case of 12 $27.08/filter
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