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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. Glassfloss® Z-Line HWP16204 Air Filters 16 x 25 x 4"
    2-Pack
    8
    6

    Glassfloss® Z-Line HWP20204 Air Filters 20 x 20 x 4"

    • MERV 8 rating
    • Replacement for Honeywell®FC100A1029
    • 20 x 20 x 4" nominal
    • 20 x 19 7/8 x 4 3/8" actual
    Learn More
    $29.99

  2. 12X24X4" Pleated Filter MERV 8
    6-Pack
    8
    3

    12X24X4" Pleated Filter MERV 8

    • MERV 8 filtration rating
    • 6 filters per case
    • Lasts up to 3 months
    Learn More
    $72.80

    Out of stock

  3. 16X20X4" Pleated Filter MERV 8
    6-Pack
    8
    3

    16X20X4" Pleated Filter MERV 8

    • MERV 8 filtration rating
    • 6 filters per case
    • Lasts up to 3 months
    Learn More
    $76.68

    Out of stock

  4. 16X25X4" Pleated Filter MERV 8
    6-Pack
    8
    3

    16X25X4" Pleated Filter MERV 8

    • MERV 8 filtration rating
    • 6 filters per case
    • Lasts up to 3 months
    Learn More
    $76.68

  5. 20X20X4" Pleated Filter MERV 8
    6-Pack
    8
    3

    20X20X4" Pleated Filter MERV 8

    • MERV 8 filtration rating
    • 6 filters per case
    • Lasts up to 3 months
    Learn More
    $80.50

   

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