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BROWSE FILTER BY SIZE

4 Inch Filters

4 Inch Furnace Air Filters

   

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  1. Glassfloss® Z-Line HWP13204 Air Filters 12.5 x 20 x 4"
    2-Pack
    8
    6

    Glassfloss® Z-Line HWP13204 Air Filters 12.5 x 20 x 4"

    • MERV 8 rating
    • Replacement for Honeywell® FC100A1052
    • 12.5 x 20 x 4" nominal
    • 12.5 x 20 x 4.38" actual
    Learn More
    $50.99

  2. Glassfloss® Z-Line SGP20256 & SGP20256AC Furnace Air Filters
    2-Pack
    8
    6

    Glassfloss® Z-Line 700 SG SGP20256 & SGP20256AC Air Filters

    • MERV 8 rating
    • 2 filters per case
    • 20 x 25 x 6" Nominal
    • 19.75 x 24.25 x 6" Actual
    Learn More
    $79.99

  3. 4" Disposable Pleated Furnace Air Filters MERV 8
    6-Pack
    8
    3

    4" Disposable Pleated Air Filters MERV 8

    • MERV 8 filtration rating
    • 6 filters per case
    • $10.83 per filter
    • Lasts up to 3 months
    Learn More
    $64.99

  4. 4" Disposable Pleated Furnace Air Filters MERV 11
    6-Pack
    11
    3

    4" Disposable Pleated Air Filters MERV 11

    • MERV 11 filtration rating
    • 6 filters per case
    • $10.47 per filter
    • Lasts up to 3 months
    Learn More
    $62.80

  5. Carrier  FILCCFNC0017 & FILBBFNC0017 16x20x5" Furnace Filter
    4-Pack
    8
    6

    Carrier FILCCFNC0017 & FILBBFNC0017 Replacement Furnace Filter

    • 16" x 20" x 4" (nominal size) Carrier whole house media filter.
    • Actual size (H) 15 1/2" x (W) 19 7/8" x (D) 4 1/4".
    • 4 filters per case
    • $30.87 per filter
    • Lasts up to 6 months
    • MERV 11, or 13 rating
    Learn More
    $123.49

   

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