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Furnace Air Filters: 1-inch Size

At FridgeFilters.com we've got the Filter to Fit your needs.
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  1. 20x30x1 3M Filtrete Advanced Allergen Filter (1-Pack)

    20x30x1 3M Filtrete Advanced Allergen Filter (1-Pack)

    Fits heating / air-conditioning systems that use 1-inch replacement filters Learn More
  2. 20x30x1 3M Filtrete Dust and Pollen Filter (1-Pack)

    20x30x1 3M Filtrete Dust and Pollen Filter (1-Pack)

    Fits heating / air-conditioning systems that use 1-inch replacement filters Learn More
    $24.59 Retail Price:  $30.99
  3. 20x30x1 3M Filtrete Elite Allergen Filter (1-Pack)

    20x30x1 3M Filtrete Elite Allergen Filter (1-Pack)

    Fits heating / air-conditioning systems that use 1-inch replacement filters Learn More
    $33.09 Retail Price:  $40.99
  4. 20x30x1 3M Filtrete Micro Allergen Filter (1-Pack)

    20x30x1 3M Filtrete Micro Allergen Filter (1-Pack)

    Fits heating / air-conditioning systems that use 1-inch replacement filters Learn More
    $21.29 Retail Price:  $27.99
  5. 20x30x1 3M Filtrete Ultimate Allergen Filter (1-Pack)

    20x30x1 3M Filtrete Ultimate Allergen Filter (1-Pack)

    Fits heating / air-conditioning systems that use 1-inch replacement filters Learn More
    $39.59 Retail Price:  $48.99
  6. 20x30x1 3M Filtrete Ultra Allergen Filter (1-Pack)

    20x30x1 3M Filtrete Ultra Allergen Filter (1-Pack)

    Fits heating / air-conditioning systems that use 1-inch replacement filters Learn More
    $37.39 Retail Price:  $45.99

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