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BROWSE FILTER BY SIZE

18 x 18 x 1"

18 x 18 x 1 Furnace Air Filters

   

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  1. 1" Max-Aire® Gold Permanent Furnace Filter
    1-Pack
    N/A
    N/

    Max-Aire® Gold Furnace Filters

    • Lifetime warranty
    • 3 layers of filtration
    • Washes with warm water
    Learn More
    $79.95

  2. Expand-a-Pleat™ Expandable Pleated Furnace Filter
    4-Pack
    11
    3

    Expand-a-Pleat™ Expandable Pleated Furnace Filter

    • 4 filters per case
    • $17.23 per filter
    • MERV 11 rating
    • Expands to fit more than 300 tough sizes
    • Lasts up to 3 months
    $68.95

  3. EnviroGreen® Pleated Reusable Furnace Filter
    1-Pack
    8
    60

    EnviroGreen® Pleated Reusable Furnace Filter

    • MERV 8 filtration rating
    • 5 year V-Core warranty
    • Washable & reusable
    • Learn More
    $69.95

  4. 1" Dust Fighter 95® Furnace Filters
    1-Pack
    N/A
    N/

    1" Dust Fighter 95® Furnace Filters

    • Lifetime warranty
    • 5 layers of filtration
    • Washes with warm water
    Learn More
    $84.99

  5. Allergy Gold® Electrostatic Furnace Air Filter
    1-Pack
    13
    N/

    Allergy Gold® Electrostatic Furnace Air Filter

    • Lifetime warranty
    • Washable with water
    • Three layers of filtration media
    • Custom sizes available
    Learn More
    $69.95

   

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