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  • 12x24x4 M8 4" MERV 8 Furnace & AC Air Filter by Filters Fast - 3-Pack

    (FF4M8)

    …the 4" MERV 8 Furnace & AC Air Filter by Filters Fast®? Changing your 4" MERV 8 Furnace & AC Air Filter by Filters Fast® is a very quick and easy process that should be done once every six to twelve months. What contaminants does the 4" MERV 8 Furnace & AC Air Filter by Filters Fast® reduce? The 4"…

    Related Items: Electrostatic
    12x24x4 M8 4" MERV 8...
    Our Price: $ 71.95
    Retail:$89.99
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    $18.04 (20%)
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  • 16x20x4 M8 4" MERV 8 Furnace & AC Air Filter by Filters Fast - 3-Pack

    (FF4M8)

    …the 4" MERV 8 Furnace & AC Air Filter by Filters Fast®? Changing your 4" MERV 8 Furnace & AC Air Filter by Filters Fast® is a very quick and easy process that should be done once every six to twelve months. What contaminants does the 4" MERV 8 Furnace & AC Air Filter by Filters Fast® reduce? The 4"…

    Related Items: Custom Size
    16x20x4 M8 4" MERV 8...
    Our Price: $ 71.95
    Retail:$89.99
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    $18.04 (20%)
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  • 16x25x4 M8 4" MERV 8 Furnace & AC Air Filter by Filters Fast - 3-Pack

    (FF4M8)

    …the 4" MERV 8 Furnace & AC Air Filter by Filters Fast®? Changing your 4" MERV 8 Furnace & AC Air Filter by Filters Fast® is a very quick and easy process that should be done once every six to twelve months. What contaminants does the 4" MERV 8 Furnace & AC Air Filter by Filters Fast® reduce? The 4"…

    Related Items: 16x25x4
    16x25x4 M8 4" MERV 8...
    Our Price: $ 71.95
    Retail:$89.99
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    $18.04 (20%)
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  • 4 MERV 13 18x24x4 4" MERV 13 Furnace & AC Air Filter by Filters Fast - 3-Pack

    (FFM136)

    …4" MERV 13 Furnace & AC Air Filter by Filters Fast®? Changing your 4" MERV 13 Furnace & AC Air Filter by Filters Fast® is a very quick and easy process that should be done once every six to twelve months. What contaminants does the 4" MERV 13 Furnace & AC Air Filter by Filters Fast® reduce? The 4"…

    4 MERV 13 18x24x4 4"...
    Our Price: $ 92.95
    Retail:$119.99
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    $27.04 (23%)
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  • 4 MERV 13 20x24x4 4" MERV 13 Furnace & AC Air Filter by Filters Fast - 3-Pack

    (FFM136)

    …4" MERV 13 Furnace & AC Air Filter by Filters Fast®? Changing your 4" MERV 13 Furnace & AC Air Filter by Filters Fast® is a very quick and easy process that should be done once every six to twelve months. What contaminants does the 4" MERV 13 Furnace & AC Air Filter by Filters Fast® reduce? The 4"…

    4 MERV 13 20x24x4 4"...
    Our Price: $ 92.95
    Retail:$119.99
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    $27.04 (23%)
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  • 4 MERV 13 20x20x4 4" MERV 13 Furnace & AC Air Filter by Filters Fast - 3-Pack

    (FFM136)

    …4" MERV 13 Furnace & AC Air Filter by Filters Fast®? Changing your 4" MERV 13 Furnace & AC Air Filter by Filters Fast® is a very quick and easy process that should be done once every six to twelve months. What contaminants does the 4" MERV 13 Furnace & AC Air Filter by Filters Fast® reduce? The 4"…

    4 MERV 13 20x20x4 4"...
    Our Price: $ 92.95
    Retail:$119.99
    Save:
    $27.04 (23%)
    In Stock

  • 4 MERV 13 16x20x4 4" MERV 13 Furnace & AC Air Filter by Filters Fast - 3-Pack

    (FFM136)

    …4" MERV 13 Furnace & AC Air Filter by Filters Fast®? Changing your 4" MERV 13 Furnace & AC Air Filter by Filters Fast® is a very quick and easy process that should be done once every six to twelve months. What contaminants does the 4" MERV 13 Furnace & AC Air Filter by Filters Fast® reduce? The 4"…

    4 MERV 13 16x20x4 4"...
    Our Price: $ 92.95
    Retail:$119.99
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    $27.04 (23%)
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  • 2 MERV 8 20x25x2 2" MERV 8 Furnace & AC Air Filter by Filters Fast - 6-Pack

    (FFM86)

    …Note: These filters do not contain fiberglass. Specifications: Brand: Filters Fast® Part Number: FFM86 Pack Size: 6 MERV Rating: 8 Filter Type: Pleated Material: Synthetic Replace every 4 - 6 months For residential use only Available Sizes: The 2" MERV 8 Furnace & AC Air Filter by Filters Fast® is…

    2 MERV 8 20x25x2 2"...
    Our Price: $ 79.95
    Retail:$99.99
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    $20.04 (20%)
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  • MERV 13 6-Pack 14x25x1 1" MERV 13 Furnace & AC Air Filter by Filters Fast - 6-Pack

    (FFM13 6PK)

    …The 1" MERV 13 Furnace & AC Air Filter by Filters Fast® is available in the following sizes: Nominal Size Actual Size Alternate Part Number 08x08x1 Air Filter 8x8x.75 PF13.010808A6PFF, FFM13 6PK-08081 09x11x1 Air Filter 9x11x.75 PF13.010911A6P, FFM13 6PK-09111 10x10x1 Air Filter 9.75x9.75x.75…

    MERV 13 6-Pack...
    Our Price: $ 82.95
    Retail:$99.99
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    $17.04 (17%)
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  • 4 MERV 13 24x24x4 4" MERV 13 Furnace & AC Air Filter by Filters Fast - 3-Pack

    (FFM136)

    …4" MERV 13 Furnace & AC Air Filter by Filters Fast®? Changing your 4" MERV 13 Furnace & AC Air Filter by Filters Fast® is a very quick and easy process that should be done once every six to twelve months. What contaminants does the 4" MERV 13 Furnace & AC Air Filter by Filters Fast® reduce? The 4"…

    4 MERV 13 24x24x4 4"...
    Our Price: $ 92.95
    Retail:$119.99
    Save:
    $27.04 (23%)
    In Stock

  • 18x24x4 M8 4" MERV 8 Furnace & AC Air Filter by Filters Fast - 3-Pack

    (FF4M8)

    …the 4" MERV 8 Furnace & AC Air Filter by Filters Fast®? Changing your 4" MERV 8 Furnace & AC Air Filter by Filters Fast® is a very quick and easy process that should be done once every six to twelve months. What contaminants does the 4" MERV 8 Furnace & AC Air Filter by Filters Fast® reduce? The 4"…

    Related Items: Custom Size
    18x24x4 M8 4" MERV 8...
    Our Price: $ 71.95
    Retail:$89.99
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    $18.04 (20%)
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  • X5424 Filters Fast® Replacement for Lennox X5424 20x25x6 MERV 16 Furnace & AC Air Filter

    (X5424 FF)

    Quality air for a quality environment can be yours with the Filters Fast® Replacement for Lennox X5424 20x25x6 MERV 16 Furnace & AC Air Filter . This MERV 16 replacement air filter fits healthy climate Pleated Media Air Cleaner (PMAC) cabinets with ease. It offers a large surface area to maximize…

    Free Shipping!
    X5424 Filters Fast®...
    As Low As: $ 99.62
    Retail:$149.99
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    $50.37 (34%)
    In Stock
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FILTERS FAST SHIPPING POLICY

Filters Fast offers economy free shipping every day on U.S. orders over $99 when shipping to the lower 48 states. This free shipping offer excludes Alaska and Hawaii, P.O. Box or APO/FPO/DPO and international orders. Orders under $99 ship for a fee to most destinations within the contiguous United States (excluding Hawaii and Alaska).

Filters Fast offers expedited shipping. When selecting any expedited shipping method, such as FedEx 2nd day or Overnight, your Transaction will be processed and Products shipped out the next business day. Business days are Monday through Friday. Any expedited delivery requests that are placed Friday through Sunday will not result in Products shipped until Monday. If the following Monday falls on a FedEx recognized holiday, your Products will be shipped on Tuesday.

Most Products ship within 1-2 business days after Transaction finalization, unless otherwise stated on the Product page on the Services. Your final shipping cost and estimated delivery time frame will be available to you during checkout.

We offer guaranteed same-day shipping on select Products with your preferred delivery method every Tuesday, Wednesday, and Thursday. When guaranteed same-day shipping is available on a Product, we will state this on the Product page, with the label "Ready to Ship". The "order within" countdown timer provides the window of time in which you must checkout to have your Products ship out the same day the Transaction is finalized. If a Transaction is finalized right at or after 2:00 PM EST, the applicable Products will ship the next business day. Our business days are Monday through Friday. Filters Fast also reserves the right, without cause, to make changes to any same-day shipping timeframe as same-day shipping may become unavailable within the allotted timeframe due to changes in inventory or high-volume capacity when you finalized your Transaction.

Once the shipping label is created, you will receive an email confirmation with the tracking information for your package. A Product with the "Ready to Ship" label does not apply to the delivery speed.

For expedited shipping, you will still need to select your preferred shipping method at checkout. Filters Fast is not responsible or liable for any shipping delays of any kind, including carrier delays, inclement weather, government restrictions, labor shortages, gas or utilities shortages, acts of God, etc.

Please note, some Products are special order and may require a longer ship-out and/or delivery time frame. These Product have a shipping timeframe stated on the Product page on the Services.

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