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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. 18x18x1" Disposable Fiberglass Air Filters MERV 5
    12-Pack
    5
    1

    18x18x1" Disposable Fiberglass Air Filters MERV 5

    • MERV 5 filtration rating. Good for lint & dust.
    • 12 filters per case
    • $4.17 per filter
    • Lasts up to 1 month
    Learn More
    $49.99

  2. 3M® Filtrete 600 Micro Allergen Filter
    4-Pack
    8
    3

    3M® Filtrete 600 Micro Allergen Filter

    • Up to 3 months of filtering performance.
    • 4 furnace air filters per case
    • $15.99 per filter
    • MERV 8 filtration performance
    Learn More
    $63.99

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

    Expand-a-Pleat™ Expandable Pleated Furnace Filter

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

  4. 14X25X1 PLEATED FILTER MERV 13
    4-Pack
    13
    3

    14X25X1 PLEATED FILTER MERV 13

    • MERV 13 filtration rating
    • 4 air conditioner filters per case
    • Each filter lasts up to 3 months
    Learn More
    $68.99

  5. 16X16X1 PLEATED FILTER MERV 13
    4-Pack
    13
    3

    16X16X1 PLEATED FILTER MERV 13

    • MERV 13 filtration rating
    • 4 air conditioner filters per case
    • Each filter lasts up to 3 months
    Learn More
    $68.99

   

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