19.5" x 19.5" x 3.75"

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• 

  20″ x 20″ x 4″ MERV 11 Multi-Pleat” x L11 Air Filter

  Koch Filter Corporation

  SKU: 102-499-028

  $17.51
  MSRP: $20.14

  You save 15%
  - Koch 102-499-028 20x20x4 MERV 11 Multi-Pleat XL11 Air Filter quantity +

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• 

  Multi-Pleat 20″ x 20″ x 4″ Air Filter, MERV 8

  Koch Filter Corporation

  SKU: 102-700-028

  $22.21
  MSRP: $25.54

  You save 15%
  - Koch 102-700-028 20x20x4 MERV 8 Multi-Pleat XL8 Air Filter quantity +

  Add to cart