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  • 16x16x2 Koch Multi-Pleat XL11 MERV 11 High Capacity 102-082-005 (12 Filters)
    MERV 11 HC
    Koch

    16x16x2 Multi-Pleat XL11 MERV 11 High Capacity

    $306.99
    $306.99
    Case of 12 $25.58/filter
  • 12x24x4 Koch Multi-Pleat XL11 MERV 11 102-499-023 (6 Filters)
    MERV 11
    Koch

    12x24x4 Multi-Pleat XL11 MERV 11

    $213.99
    $213.99
    Case of 6 $35.67/filter
  • 18x20x1 Koch Multi-Pleat XL11 MERV 11 High Capacity 102-081-015 (12 Filters)
    MERV 11 HC
    Koch

    18x20x1 Multi-Pleat XL11 MERV 11 High Capacity

    $211.32
    $211.32
    Case of 12 $17.61/filter
  • 16x30x2 Koch Multi-Pleat XL11 MERV 11 102-092-018 (12 Filters)
    MERV 11
    Koch

    16x30x2 Multi-Pleat XL11 MERV 11

    $325.99
    $325.99
    Case of 12 $27.17/filter
  • 24x18x6 Koch Multi-Cell Galvanized MERV 11 Single Header 110-734-015 (2 Filters)
    MERV 11
    Koch

    24x18x6 Multi-Cell Galvanized MERV 11 Single Header

    $421.60
    $421.60
    Case of 2 $210.80/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
  • 12x24x4 Koch Multi-Pleat XL11 MERV 11 High Capacity 102-500-023 (6 Filters)
    MERV 11 HC
    Koch

    12x24x4 Multi-Pleat XL11 MERV 11 High Capacity

    $230.99
    $230.99
    Case of 6 $38.50/filter
  • 15x20x2 Koch Multi-Pleat XL11 MERV 11 102-499-015 (12 Filters)
    MERV 11
    Koch

    15x20x2 Multi-Pleat XL11 MERV 11

    $220.99
    $220.99
    Case of 12 $18.42/filter
  • 20x22x1 Koch Multi-Pleat XL11 MERV 11 102-091-049 (12 Filters)
    MERV 11
    Koch

    20x22x1 Multi-Pleat XL11 MERV 11

    $220.56
    $220.56
    Case of 12 $18.38/filter
  • 12x20x1 Koch Multi-Pleat XL11 MERV 11 102-091-002 (12 Filters)
    MERV 11
    Koch

    12x20x1 Multi-Pleat XL11 MERV 11

    $167.52
    $167.52
    Case of 12 $13.96/filter
  • 20x25x2 Koch Multi-Pleat XL11 MERV 11 High Capacity 102-500-021 (12 Filters)
    MERV 11 HC
    Koch

    20x25x2 Multi-Pleat XL11 MERV 11 High Capacity

    $288.99
    $288.99
    Case of 12 $24.08/filter
  • 12x25x2 Koch Multi-Pleat XL11 MERV 11 102-092-003 (12 Filters)
    MERV 11
    Koch

    12x25x2 Multi-Pleat XL11 MERV 11

    $265.99
    $265.99
    Case of 12 $22.17/filter
  • 16x25x1 Koch Multi-Pleat XL11 MERV 11 High Capacity 102-500-007 (12 Filters)
    MERV 11 HC
    Koch

    16x25x1 Multi-Pleat XL11 MERV 11 High Capacity

    $133.20
    $133.20
    Case of 12 $11.10/filter
  • 18x24x4 Koch Multi-Pleat XL11 MERV 11 102-499-027 (6 Filters)
    MERV 11
    Koch

    18x24x4 Multi-Pleat XL11 MERV 11

    $245.99
    $245.99
    Case of 6 $41.00/filter
  • 12x18x1 Koch Multi-Pleat XL11 MERV 11 102-091-001 (12 Filters)
    MERV 11
    Koch

    12x18x1 Multi-Pleat XL11 MERV 11

    $177.60
    $177.60
    Case of 12 $14.80/filter
  • 20x22x1 Koch Multi-Pleat XL11 MERV 11 High Capacity 102-081-049 (12 Filters)
    MERV 11 HC
    Koch

    20x22x1 Multi-Pleat XL11 MERV 11 High Capacity

    $215.28
    $215.28
    Case of 12 $17.94/filter
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