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  • GeneralAire 4368 20x25x4 MERV 11 Filter Media

    (4368)

    …dependable and reliable dust-fighting capabilities. Specifications: Brand: Generalaire Model Number: 4368 Pack Size: 1 Nominal Dimensions: 20"x25"x4" Actual Dimensions: 19-13/16" x 24-13/16" x 4-3/8" MERV Rating: 11 Maintenance: Replace General Aire filter media cartridges every 6-12 months,…

    GeneralAire 4368...
    Our Price: $ 44.99
    Retail:$49.99
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    $5.00 (10%)
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  • TopTech TT-FM-2025 Techpure 20x25x4 MERV 11 Filter

    (TT-FM-2025)

    The TopTech TT-FM-2025 TechPure QwikBox 20x25x4 MERV 11 Filter removes many allergens, dust, pollen and other airborne pollutants. This MERV 11 filter features the QwikBox collapsed design that provides less chance of shipping damage and takes up less space so it is more convenient to keep spare…

    Related Items: Tt-fm-2025
    TopTech TT-FM-2025...
    As Low As: $ 45.95
    Retail:$59.99
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    $14.04 (24%)
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  • Filters Fast FF4M8-20254, 20x25x4 MERV8 Replacement for GeneralAire FP2025 3-Pack

    (4526)

    …Fast® 20x25x4 MERV8 Specifications: Part Number: FF4M8-20254 Replaces Part Number: 4526 and FP2025 Pack Size: 3 Filters MERV Rating: 8 Filter Type: Electrostatic pleated Material: Synthetic Replace every 3 months For commercial and residential use Dimensions of the Filters Fast® 20x25x4: Nominal…

    Filters Fast FF4M8...
    Our Price: $ 71.95
    Retail:$89.99
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    $18.04 (20%)
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  • Genuine AprilAire 210 20x25x4 MERV 11 Clean Air Filter

    (Aprilaire 210)

    The quality of your indoor air is crucial to your respiratory health and the Genuine AprilAire 210 20x25x4 MERV 11 Clean Air Filter can help reduce airborne contaminants such as dust, pollen, mold spores and bacteria. Whether spring or fall allergies are causing your sinuses to go crazy, or your…

    Related Items: Aprilaire 210 | 2200 | Space-gard 2200 Filter
    Genuine AprilAire...
    As Low As: $ 54.99
    Retail:$79.99
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    $25.00 (32%)
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  • FFQIOB 20x25x4 add Filters Fast Odor Killer Pleated Inserts

    (FFQIOB)

    When it's time to replace your home or business's air filters, chances are the metal or plastic housing that holds your filter is still in perfect shape. So why replace it? These Odor Killer Pleated Inserts fit into your existing filter housing and are the only piece replaced when it's time for a…

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    Related Items: Honeywell 20x25
    FFQIOB 20x25x4 add...
    Our Price: $ 161.99
    Retail:$259.99
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    $98.00 (38%)
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    Discontinued Product. Read Description for Options.
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  • 3M Filtrete NDP03-4S-2P-2 Replacement Air Filter - 20x25x4 - 2-Pack

    (NDP03-4S-2P-2)

    The 3M Filtrete NDP03-4S-2P-2 Replacement Air Filter - 20x25x4 extends the depth of the filter media from the more common 1-inch size to 4-inches to provide significantly greater surface area and containment reduction. With the larger filter you still enjoy the benefits of Filtrete's 3-in-1…

    3M Filtrete NDP03-4S...
    Our Price: $ 64.95
    Retail:$84.99
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    $20.04 (24%)
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    Discontinued Product. Read Description for Options.
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  • FFQF13 20x25x4 Filters Fast Quality Flow 4" MERV 13 3-Pack

    (FFQF13)

    …150 F continuous, 200 F peak Max. Humidity: Resistant to 100% R.H. Nominal Dimensions: 12x24x4 16x20x4 16x24x4 16x25x4 18x24x4 20x20x4 20x24x4 20x25x4 24x24x4 Filters Fast® industrial air filters are low-cost filter replacements that meet or exceed the performance of such popular brands as American…

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    FFQF13 20x25x4...
    Our Price: $ 127.99
    Retail:$149.99
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    $22.00 (15%)
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    Discontinued Product. Read Description for Options.
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  • Genuine Honeywell FC100A1037 20x25x4 MERV 11 Furnace & AC Air Filter

    (FC100A1037)

    The Genuine Honeywell FC100A1037 20x25x4 MERV 11 Furnace & AC Air Filter can be used in all compatible size air ducts and Honeywell air cleaners requiring a 20" x 25" x 4" filter. This Honeywell air filter fits Honeywell F100 and F200 air cleaners, and can also be used as an AprilAire 2200 filter.…

    Related Items: Honeywell 20x25 | Furnace Filter Cabinet | Honeywell Fc100a1037 Filter
    Genuine Honeywell...
    As Low As: $ 59.95
    Retail:$79.99
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  • 20x25x4 M11 4" MERV 11 Furnace & AC Air Filter by Filters Fast - 3-Pack

    (FF4M11)

    …17.375x23.375x3.625 PF11.0418243PFF 20x20x4 Air Filter 19.375x19.375x3.625 PF11.0420203PFF 20x24x4 Air Filter 19.375x23.375x3.625 PF11.0420243PFF 20x25x4 Air Filter 19.375x24.375x3.625 PF11.0420253PFF 24x24x4 Air Filter 23.375x23.375x3.625 PF11.0424243PFF 25x29x4 Air Filter 24.375x28.375x3.625…

    Related Items: 25x16x4
    20x25x4 M11 4" MERV...
    Our Price: $ 82.95
    Retail:$99.99
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    $17.04 (17%)
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  • NADP01-4IN-4 (16x25x4) Filtrete 4" Allergen Reduction Deep Pleat Air Filter - 4-Pack

    (Allergen Reduction-4in-4pk)

    …reduce discomfort and making breathing easier. Specifications: Brand: 3M Filtrete Part Numbers: NADP01-4IN-4 (16x25x4) NADP03-4IN-4 (20x25x4) Dimensions: 16x25x4 20x25x4 Pack Size: 2 Filter Life: 6 to 9 months MRP Rating: 1000 Designed with exclusive Filtrete Brand 3-in-1 technology from 3M to pull…

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    NADP01-4IN-4 ...
    Our Price: $ 119.95
    Retail:$139.99
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    $20.04 (14%)
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  • NADP03-2PK-2 (20x25x4) Filtrete 4" Allergen Reduction Deep Pleat Air Filter - 2-Pack

    (Allergen Reduction-4in-2pk)

    …non-electrostatic products. Specifications: Brand: Filtrete Part Numbers: NADP01-2PK-2 (16x25x4) NADP02-2PK-2 (20x20x4) NADP03-2PK-2 (20x25x4) Dimensions: 16x25x4 20x20x4 20x25x4 Pack Size: 2 Filter Life: 6 to 9 months MRP Rating: 1000 Designed with exclusive Filtrete Brand 3-in-1 technology from 3M…

    Related Items: 25x16x4
    NADP03-2PK-2 ...
    Our Price: $ 59.99
    Retail:$79.99
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    $20.00 (25%)
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  • NDP01-4IN-4 (16x25x4) Filtrete Deep Pleated 1550 Replacement 4" Filter - 4-Pack

    (Deep Pleated 1550)

    …washable and non-electrostatic 3-month pleated 1" filters Filter Sizes: The Filtrete Deep Pleated 1550 is Available in the Following Sizes: Nominal Size Actual Size 16x25x4 Air Filter 15.88" x 24.56" x 4.31" 20x25x4 Air Filter 19.88" x 24.63" x 4.31" (Deep Pleated 1550 / Deep Pleated 1550)

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    NDP01-4IN-4 (16x25x4...
    Our Price: $ 129.95
    Retail:$149.99
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    $20.04 (13%)
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