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BROWSE FILTER BY SIZE

20 x 20 x 4"

20 x 20 x 4" Furnace Air Filters

   

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  1. 24X24X4" Pleated Air Filters MERV 11
    6-Pack
    11
    3

    24X24X4" Pleated Air Filters MERV 11

    • MERV 11 filtration rating
    • 6 filters per case
    • Lasts up to 3 months
    Learn More
    $138.75

  2. 20X25X4" Pleated Air Filters MERV 11
    6-Pack
    11
    3

    20X25X4" Pleated Air Filters MERV 11

    • MERV 11 filtration rating
    • 6 filters per case
    • Lasts up to 3 months
    Learn More
    $122.50

  3. 20X24X4" Pleated Air Filters MERV 11
    6-Pack
    11
    3

    20X24X4" Pleated Air Filters MERV 11

    • MERV 11 filtration rating
    • 6 filters per case
    • Lasts up to 3 months
    Learn More
    $122.50

  4. 24X24X4"  MERV 13 Pleated Furnace Filter
    4-Pack
    13
    3

    24X24X4" MERV 13 Pleated Furnace Filter

    • MERV 13 filtration rating
    • 4 air conditioner filters per case
    • Each filter lasts up to 3 months
    Learn More
    $117.85

  5. 20X25X4" Pleated Filter MERV 8
    6-Pack
    8
    3

    20X25X4" Pleated Filter MERV 8

    • MERV 8 filtration rating
    • 6 filters per case
    • Lasts up to 3 months
    Learn More
    $112.30

   

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