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Merv Efficiency
4 in. (Annual) Furnace Filters

Quickly Convert To 4-Inch Pleated Filter That Last Up To 1 Full Year*

The AFI™ Four Seasons™ Air Filter quickly and easily "converts" your return air vent from the use of a 1" filter to this new and innovative 4" design. Simply remove your existing filter and replace it with the Four Seasons™ pleated filter. No tools or modifications are needed and these filters are designed to last up to 12 Months.

*Depending on environmental conditions

Four Seasons™ Filter Media

Utilizing electrostatically charged, 100% synthetic media which our filters offers significantly higher particulate efficiency than regular poly/cotton media pleated filters, with little change in static pressure. MERV 8 filter media will not promote the growth of bacteria, mold, mildew, or fungi in normal operating environments, and has not been chemically treated. Four Seasons™ MERV 8 pleated filters are an ideal upgrade from standard disposable panel filters. These filters are designed to last up to 12 Months.

Product Listing

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  1. Filtered Airborne Contaminants

    paper
    dust
    mite
    pollen
    dander
  2. Filtered Airborne Contaminants

    paper
    dander
    dust
    mite
    pollen
    allergens
  3. Filtered Airborne Contaminants

    paper
    dust
    mite
    mold
    pollen
    smog
    dander
  4. Filtered Airborne Contaminants

    paper
    dust
    mite
    pollen
    dander
  5. Filtered Airborne Contaminants

    paper
    dust
    mite
    pollen
    dander
  6. Filtered Airborne Contaminants

    paper
    dust
    mite
    pollen
    dander
  7. Filtered Airborne Contaminants

    paper
    dander
    dust
    mite
    pollen
    allergens
  8. Filtered Airborne Contaminants

    paper
    dust
    mite
    mold
    pollen
    smog
    dander
  9. Filtered Airborne Contaminants

    paper
    dust
    mite
    pollen
    dander
  10. Filtered Airborne Contaminants

    paper
    dust
    mite
    pollen
    dander
  11. Filtered Airborne Contaminants

    paper
    dander
    dust
    mite
    pollen
    allergens
  12. Filtered Airborne Contaminants

    paper
    dust
    mite
    mold
    pollen
    smog
    dander
  13. Filtered Airborne Contaminants

    paper
    dander
    dust
    mite
    pollen
    allergens
  14. Filtered Airborne Contaminants

    paper
    dust
    mite
    mold
    pollen
    smog
    dander
  15. Filtered Airborne Contaminants

    paper
    dander
    dust
    mite
    pollen
    allergens
  16. Filtered Airborne Contaminants

    paper
    dander
    dust
    mite
    pollen
    allergens
  17. Filtered Airborne Contaminants

    paper
    dust
    mite
    pollen
    dander
  18. Filtered Airborne Contaminants

    paper
    dust
    mite
    mold
    pollen
    smog
    dander
  19. Filtered Airborne Contaminants

    paper
    dust
    mite
    mold
    pollen
    smog
    dander
  20. Filtered Airborne Contaminants

    paper
    dust
    mite
    pollen
    dander
  21. Filtered Airborne Contaminants

    paper
    leed
    mite
    mold
    smog
    smoke
    allergens
  22. Filtered Airborne Contaminants

    paper
    dander
    dust
    mite
    pollen
    allergens
  23. Filtered Airborne Contaminants

    paper
    dust
    mite
    mold
    pollen
    smog
    dander
  24. Filtered Airborne Contaminants

    paper
    leed
    mite
    mold
    smog
    smoke
    allergens
  25. Filtered Airborne Contaminants

    paper
    dander
    dust
    mite
    pollen
    allergens
  26. Filtered Airborne Contaminants

    paper
    dust
    mite
    mold
    pollen
    smog
    dander
  27. Filtered Airborne Contaminants

    paper
    mite
    odor
    pollen
    smog
    smoke
    dust
  28. Filtered Airborne Contaminants

    paper
    leed
    mite
    mold
    smog
    smoke
    allergens
  29. Filtered Airborne Contaminants

    paper
    leed
    mite
    mold
    smog
    smoke
    allergens
  30. Filtered Airborne Contaminants

    paper
    leed
    mite
    mold
    smog
    smoke
    allergens

Product Listing

Showing 1-30 of 40 products

per page
Page:
  1. 1
  2. 2
  3. Next
Set Descending Direction

Customize Your Air Filter in 4 Easy Steps

Step 1
APPLICATION
Step 2
EFFICIENCY
Step 3
DIMENSIONS
Step 4
DELIVERY

Air Filters, Inc. is committed to providing a "one-stop shop" for all of your air filtration requirements. As a manufacturer, we are uniquely positioned to custom make any and all types of air filters.

build your custom filter now

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