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18x24x1

18x24x1 Furnace Filters and Air Conditioner Filters

20 Item(s)

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  1. 18x24x1 EZ Flow II Filters 10055.011824 (12 Filters)

    18x24x1 EZ Flow II Filters 10055.011824 (12 Filters)

    New and improved EZ-Flow II filters! Flanders has changed the color of the fiberglass filters from blue to white. The change is in color only and will not impact form, fit, or function and will provide a better quality fiberglass filter. The white color also provides a better dust detection. Learn More
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    $34.99
  2. Naturalaire Microparticle MERV 10 Filters (12 pack)

    Naturalaire Microparticle MERV 10 Filters (12 pack)

    Compatible With Your Heating and Air Conditioning System. This high quality MERV 10 pleated filter is 40x more effective than basic filters! Learn More
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    $78.99
  3. Flanders Pleated MERV 11 Air Filters (12 pack)

    Flanders Pleated MERV 11 Air Filters (12 pack)

    MERV 11 filter at the same resistance levels of MERV 8 filters. Added filtration, less air restriction. Learn More
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    $89.95
  4. Flanders Pleated MERV 13 Air Filters (12 pack)

    Flanders Pleated MERV 13 Air Filters (12 pack)

    Biggest improvements in your indoor air quality! Learn More
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    $129.99
  5. 18x24x1 3M Filtrete Micro Allergen Filter - 9821DC

    18x24x1 3M Filtrete Micro Allergen Filter - 9821DC

    Filtrete Micro Allergen Reduction filters help reduce allergens and microscopic particles from air in homes. Learn More
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  6. Year Supply - Replacement Furnace & A/C Filters
  7. 18x24x1 3M Filtrete Home Odor Reduction Filter - HOME21

    18x24x1 3M Filtrete Home Odor Reduction Filter - HOME21

    3M Filtrete technology combines activated carbon with electrostatically charged fibers. Learn More
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    $15.99
  8. Naturalaire MERV 8 Filter

    Naturalaire MERV 8 Filter

    15x More Effective than Flat Panel Spun Glass Filters. Awesome choice, one of our better sellers! Learn More
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  9. Naturalaire Plus MERV 10 Filter

    Naturalaire Plus MERV 10 Filter

    Compatible With Your Heating and Air Conditioning System. This high quality MERV 10 pleated filter is 40x more effective than basic filters! Learn More
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  10. Naturalaire MERV 8 Filters (12 pack)

    Naturalaire MERV 8 Filters (12 pack)

    15x More Effective than Flat Panel Spun Glass Filters. Awesome choice, one of our better sellers! Learn More
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    $59.99
  11. Flanders Precisionaire Activated Carbon Filters (12 pack)

    Flanders Precisionaire Activated Carbon Filters (12 pack)

    Activated carbon works like an odor sponge. This versatile filter is an excellent choice for remediation of minor odor problems. Learn More
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    $129.99
  12. 18x24x1 EZ Flow Filters 10155.011824 (12 Filters)

    18x24x1 EZ Flow Filters 10155.011824 (12 Filters)

    New and improved EZ-Flow filters! Flanders has changed the color of the fiberglass filters from blue to white. The change is in color only and will not impact form, fit, or function and will provide a better quality fiberglass filter. The white color also provides a better dust detection. Learn More
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    $36.99
  13. 18x24x1 Heavy Duty Filters 10255.011824 (12 Filters)

    18x24x1 Heavy Duty Filters 10255.011824 (12 Filters)

    New and improved heavy duty fiberglass filters! Flanders has changed the color of the fiberglass filters from blue to white. The change is in color only and will not impact form, fit, or function and will provide a better quality fiberglass filter. The white color also provides a better dust detection. Learn More
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    $39.95
  14. Flanders Precisionaire Heavy Duty Synthetic Filters (12 pack)

    Flanders Precisionaire Heavy Duty Synthetic Filters (12 pack)

    Super low airflow restriction. If you prefer synthetic filters over standard fiberglass this is a great option. Learn More
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    $39.95
  15. 18x24x1 3M Filtrete Ultra Allergen Filter - 2021DC

    18x24x1 3M Filtrete Ultra Allergen Filter - 2021DC

    3M Filtrete high performance Ultra Allergen filters carry a microparticle rating of 1500 and capture small and large particles. They also meet the American Lung Association indoor air quality guidelines. Learn More
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  16. 18x24x1 3M Filtrete Dust Reduction Filter - 321DC

    18x24x1 3M Filtrete Dust Reduction Filter - 321DC

    The 3M Filtrete Dust Reduction filter is a great choice for anyone looking to make the change from lower performing fiberglass and pleated filters. Learn More
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  17. NaturalAire Electrostatic Washable Air Filter

    NaturalAire Electrostatic Washable Air Filter

    Replaces ordinary Air Filters For Furnace and Central Air. Simply Rinse and Re-Use. Learn More
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    $34.99
  18. 18x24x1 Pre Pleat 40 LPD 80055.011824 (12 Filters)

    18x24x1 Pre Pleat 40 LPD 80055.011824 (12 Filters)

    One of our best selling all around filters! Learn More
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    $64.99
  19. Flanders Precisionaire Pre-Pleat 40 High Capacity Filters (12 pack)

    Flanders Precisionaire Pre-Pleat 40 High Capacity Filters (12 pack)

    One of our best selling all around filters! High Capacity Filter. Learn More
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    $69.99
  20. 18x24x1 3M Filtrete Ultimate Allergen Filter - UA21DC

    18x24x1 3M Filtrete Ultimate Allergen Filter - UA21DC

    3M Filtrete Ultimate filters are 93% effective...the best 1" residential filter! Learn More
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