MERV 4

Showing all 11 resultsSorted by popularity

• 

  12″ x 20″ x 1″ Disposable Fiberglass Filter

  Koch Filter Corporation

  SKU: 274-120-200

  $14.36
  MSRP: $16.51

  You save 13%
  - Koch 274-120-200 12x20x1 Disposable Fiberglass Filter quantity +

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• 

  14″ x 24″ x 1″ Disposable Fiberglass Filter

  Koch Filter Corporation

  SKU: 274-140-240

  Rated 5.00 out of 5

  $5.99
  MSRP: $6.89

  You save 15%
  - Koch 274-140-240 14 x 24 x 1 Disposable Fiberglass Air Filter quantity +

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• Sale!

  20″ x 20″ x 1″ Disposable Fiberglass Filter

  Koch Filter Corporation

  SKU: 274-200-200

  $7.97 Original price was: $7.97.$2.25Current price is: $2.25.
  MSRP: $9.40

  You save 76%
  Read more
• 

  16″ x 25″ x 1″ Disposable Fiberglass Filter

  Koch Filter Corporation

  SKU: 274-160-250

  Rated 1.00 out of 5

  $11.71
  MSRP: $13.82

  You save 15%
  - Koch 274-160-250 16x25x1 Disposable Fiberglass Air Filter quantity +

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• 

  14″ x 25″ x 1″ Disposable Fiberglass Filter

  Koch Filter Corporation

  SKU: 274-140-250

  Rated 5.00 out of 5

  $14.45
  MSRP: $16.62

  You save 15%
  Read more
• 

  16″ x 20″ x 2″ Disposable Fiberglass Filter

  Koch Filter Corporation

  SKU: 276-160-200

  $26.35
  MSRP: $30.30

  You save 15%
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• 

  20″ x 30″ x 1″ Disposable Fiberglass Air Filter

  Koch Filter Corporation

  SKU: 274-200-300

  $16.13
  MSRP: $18.55

  You save 15%
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• 

  16″ x 20″ x 1″ Disposable Fiberglass Filter

  Koch Filter Corporation

  SKU: 274-160-200

  $11.16
  MSRP: $12.83

  You save 13%
  - Koch 274-160-200 16x20x1 Disposable Fiberglass Air Filter quantity +

  Add to cart
• Sale!

  20″ x 20″ x 2″ Disposable Fiberglass Filter

  Koch Filter Corporation

  SKU: 276-200-200

  $20.47 Original price was: $20.47.$9.99Current price is: $9.99.
  MSRP: $24.15

  You save 59%
  - Koch 276-200-200 20x20x2 Disposable Fiberglass Air Filter quantity +

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• Sale!

  12″ x 12″ x 1″ Disposable Fiberglass Filter

  Koch Filter Corporation

  SKU: 274-120-120

  $23.99 Original price was: $23.99.$3.09Current price is: $3.09.
  MSRP: $28.31

  You save 89%
  - Koch 274-120-120 12x12x1 Disposable Fiberglass Filter quantity +

  Add to cart
• 

  20″ x 25″ x 1″ Disposable Fiberglass Filter

  Koch Filter Corporation

  SKU: 274-200-250

  $13.36
  MSRP: $15.36

  You save 15%
  - Koch 274-200-250 20x25x1 Disposable Fiberglass Air Filter quantity +

  Add to cart