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Filtrete 16X25x4 AC Furnace Air Filter…
$97.99
$24.50 / 1 ct
Amazon.com
4.5
·
1K+
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Filtrete 16X25x4, AC Furnace Air Fi…
$51.24
$25.62 / 1 ct
Amazon.com
4.5
·
537
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Filtrete 20X25x5 AC Furnace Air Filter…
$49.99
$25.00 / 1 ct
Amazon.com
4.5
·
428
Curbside
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Filtrete 16X25x1 Allergen Defense …
$11.99
$21.99
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Honeywell Home 16X25x4 MERV 8…
$36.91
Amazon.com
4.5
·
1K+
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Filterbuy 16X25x1 Air Filter MERV 8 …
$30.76
$10.25 / 1 ct
Amazon.com
4.5
·
163
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Cost-effective · Easy to install · Effective Pollution Reduction · Superior Air Quality · Superior Filter Quality
Filtrete Allergen Defense 1000 MP…
$14.99
Chewy.com
3.0
·
2
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Filterbuy 20X25x5 Air Filter MERV 1…
$85.53
$28.51 / 1 ct
Amazon.com
5.0
·
2
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Cost-effective · Effective Pollution Reduction · Superior Air Quality · Superior Filter Quality
Filtrete 14X30x1 AC Furnace Air Filter…
$92.76
$15.46 / 1 ct
Amazon.com
5.0
·
10K+
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Cost-effective · Effective Pollution Reduction · Superior Air Quality · Superior Filter Quality
Filtrete 24X24x1 AC Furnace Air Filter…
$104.90
$17.48 / 1 ct
Amazon.com
4.5
·
181
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Effective Pollution Reduction · Superior Air Quality · Superior Filter Quality
Filtrete 16X20x1 AC Furnace Air Filter…
$124.99
$20.83 / 1 ct
Amazon.com
5.0
·
131
54 % price drop
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Cost-effective · Easy to Install · Effective Pollution Reduction · Superior Air Quality · Superior Filter Quality
Filtrete 17.5X23.5X1 AC Furnace Air Fi…
$101.68
$16.95 / 1 ct
Amazon.com
4.5
·
178
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Filtrete Allergen Bacteria & Virus 1…
$16.99
Chewy.com
4.0
·
5
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Filtrete 20X25x4 AC Furnace Air Filter…
$126.05
$31.51 / 1 ct
Amazon.com
4.5
·
1K+
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Effective Pollution Reduction · Effective air filtration · Superior Air Quality · Superior Filter Quality
Filtrete Allergen Bacteria & Virus 1…
$16.99
Chewy.com
3.5
·
4
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Cost-effective · Easy to Install · Synthetic
Honeywell Home AC Furnace Medi…
$36.79
Amazon.com
4.5
·
1K+
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Cost-effective · Easy to install · Effective Pollution Reduction · Superior Air Quality · Superior Filter Quality
Filtrete Allergen Defense 1000 MP…
$11.99
Chewy.com
3.5
·
5
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Cost-effective · Effective Pollution Reduction · Superior Air Quality · Superior Filter Quality
Filtrete Allergen Defense 1000 MP…
$11.99
Chewy.com
3.5
·
5
New tab icon
Effective Pollution Reduction · Superior Air Quality · Superior Filter Quality
Filtrete 20X20x1 AC Furnace Air Filter…
$45.94
$22.97 / 1 ct
Amazon.com
5.0
·
1K+
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Easy to install · Effective Pollution Reduction · Effective filtration · Superior Air Quality · Superior Filter Quality
Filtrete 20X20x1 AC Furnace Air Filter…
$32.38
$16.19 / 1 ct
Amazon.com
5.0
·
10K+
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Cost-effective · Easy to Install · Synthetic
Honeywell Home AC Furnace Medi…
$36.79
Amazon.com
4.5
·
1K+
New tab icon
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Cost-effective · Easy to install · Effective Pollution Reduction · Superior Air Quality · Superior Filter Quality
Filtrete Allergen Defense 1000 MP…
$11.99
Chewy.com
3.5
·
5
New tab icon
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Cost-effective · Effective Pollution Reduction · Superior Air Quality · Superior Filter Quality
Filtrete Allergen Defense 1000 MP…
$11.99
Chewy.com
3.5
·
5
New tab icon
Product Image
Effective Pollution Reduction · Superior Air Quality · Superior Filter Quality
Filtrete 20X20x1 AC Furnace Air Filter…
$45.94
$22.97 / 1 ct
Amazon.com
5.0
·
1K+
New tab icon
Product Image
Easy to install · Effective Pollution Reduction · Effective filtration · Superior Air Quality · Superior Filter Quality
Filtrete 20X20x1 AC Furnace Air Filter…
$32.38
$16.19 / 1 ct
Amazon.com
5.0
·
10K+
New tab icon
Product Image
Cost-effective · Easy to install · Effective Pollution Reduction · Superior Air Quality · Superior Filter Quality
Filtrete Allergen Defense 1000 MP…
$11.99
Chewy.com
3.5
·
5
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Honeywell Home AC Furnace Medi…
$42.35
Amazon.com
4.5
·
809
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Product Image
Cost-effective · Easy to install · Effective Pollution Reduction · Superior Air Quality · Superior Filter Quality
Filtrete Allergen Defense 1000 MP…
$14.99
Chewy.com
3.0
·
2
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Filtrete 16X25x4 Air Filter, MPR 700, …
$54.02
$27.01 / 1 ct
Amazon.com
5.0
·
29
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Effective Pollution Reduction · Superior Air Quality · Superior Filter Quality
Filtrete Premium Allergen Bacteria …
$17.99
Chewy.com
5.0
·
1K+
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Filtrete 16X25x4 AC Furnace Air Filter…
$125.99
$31.50 / 1 ct
Amazon.com
4.5
·
1K+
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Effective Pollution Reduction · Superior Air Quality · Superior Filter Quality
Filtrete 24X24x1 AC Furnace Air Filter…
$174.00
$29.00 / 1 ct
Amazon.com
5.0
·
139
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Effective Pollution Reduction · Superior Air Quality · Superior Filter Quality
Filtrete Allergen Bacteria & Virus 1…
$16.99
Chewy.com
3.5
·
4
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Filterbuy 20X25x5 Air Filter MERV 1…
$46.77
Amazon.com
4.5
·
106
Curbside
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Filtrete 20X25x4 Air Filter, MPR 1550 …
$33.88
Local Inventory IconWalmart
5.0
·
709
  1. Showing 1 - 36 out of 176 results for "best furnace filters"
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      20 in. X 20 in. X 1 in. Fiberglass Furnace Air Filter, MERV 1
      (60)
      20 in. X 20 in. X 1 in. Fiberglass Fur…
      H
      Home Depot
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      16 in. X 25 in. X 1 in. Fiberglass Furnace Air Filter, MERV 1
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      16 in. X 25 in. X 1 in. Fiberglass Fur…
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      Home Depot
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      20 in. X 25 in. X 1 in. Fiberglass Furnace Air Filter, MERV 1
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      20 in. X 25 in. X 1 in. Fiberglass Fur…
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      Home Depot
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      Bestair 20"X20"X4" MERV 8 Furnace Filter For Honeywell
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      Bestair 20"X20"X4" MERV 8 Furnac…
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      Target
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      Filterbuy 18X30x1 Merv 8 Pleated Hvac AC Furnace Air Filters (1-Pack)
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      Filterbuy 18X30x1 Merv 8 Pleated H…
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      Walmart
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      Filterbuy 15X30x1 Merv 8 Pleated Hvac AC Furnace Air Filters (1-Pack)
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      Filterbuy 20X25x1 Merv 11 Pleated …
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      Filterbuy 20X25x1 Merv 13 Pleated …
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      Filterbuy 14X20x1 Merv 8 Pleated H…
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      Walmart
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      Filterbuy 16X20x1 Merv 8 Pleated H…
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      Walmart
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      16 in. X 25 in. X 1 in. Allergen Plus …
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      Home Depot
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      Filterbuy 20X24x1 Merv 8 Pleated H…
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      Walmart
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      20 in. X 20 in. X 1 in. Allergen Plus …
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      Home Depot
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      Filterbuy 8X14x1 Merv 8 Pleated Hv…
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      Walmart
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      Walmart
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      16 X 25 X 4 Pleated Furnace Air Filt…
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      Home Depot
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      Filtrete 16X25x5 AC Furnace Air Filt…
      ($25.00 / 1 ct)
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      Amazon.com
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      20 in. X 30 in. X 1 in. Allergen Plus …
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      Home Depot
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      Filterbuy 15X15x1 Merv 8 Pleated H…
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      Walmart
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      Bestair MERV 11 Furnace Filter Fo…
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      Target
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      Filterbuy 11.5X11.5X1 Merv 8 Pleat…
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      Walmart
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      Nordic Pure MERV 10 4-In. Pleated …
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      Sylvane
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      Nordic Pure Merv 4-In. Pleated Furn…
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      Sylvane
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      Nordic Pure MERV 8 4-In. Pleated F…
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      Sylvane
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      Air-Care Premium Permanent Wash…
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      Tractor Supply Co.
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      True Blue 16" X 20" X 1" Trueblue …
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      Blain's Farm & Fleet
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      HVAC Home Air Filters | Premium Q…
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      Amazon
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      Filterbuy 16X25x1 Air Filter MERV 1…
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      Amazon.com
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      Nordic Pure Merv 4-In. Pleated Furn…
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      Sylvane
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      20 X 25 X 4 Pleated Furnace Air Filt…
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      Home Depot
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      Filtrete Ultra Allergen Reduction Fur…
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      Amazon
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      14 in. X 30 in. X 1 in. Allergen Plus …
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      Home Depot
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  2. Ads
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    Effective Pollution Reduction · Superior Air Quality · Superior Filter Quality
    Filtrete Premium Allergen Bacteria …
    $17.99
    Chewy.com
    5.0
    ·
    3
    New tab icon
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    Filtrete 12X12x1 AC Furnace Air Filter…
    $33.15
    $16.58 / 1 ct
    Amazon.com
    4.5
    ·
    651
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    Effective Pollution Reduction · Effective air filtration · Optimal Air Quality · Superior Filter Quality
    Filtrete Allergen Bacteria & Virus 1…
    $16.99
    Chewy.com
    3.5
    ·
    3
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    20X25x4 Air Filter MERV 10 - Singl…
    $31.72
    Air Filters Unlimited
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    Free shipping
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    Cost-effective · Easy to install · Superior Filter Quality
    Filtrete 20X25x4 AC Furnace Air Filter…
    $62.99
    $31.50 / 1 ct
    Amazon.com
    4.5
    ·
    538
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    2Pk 20X25x5 MERV 11 36PR95 Air Filt…
    $53.80
    Discount Filters
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    20""X 20""X 1"" 2-Pack AC Furnace …
    $30.94
    eBay.com
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    Cost-effective · Easy to Install · Synthetic
    Filterbuy 20X25x5 Air Filter MERV 1…
    $102.16
    $25.54 / 1 ct
    Amazon.com
    4.5
    ·
    1K+
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    20X25x5 Air Filter (1-Pack), Pleate…
    $42.98
    FilterBuy.com
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    20X25x5 Air Filter (1-Pack), Pleate…
    $46.77
    FilterBuy.com
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    2Pk 20X25x5 MERV 11 ACAB Air Filte…
    $64.68
    Discount Filters
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    Easy to Install · High-quality Material · Synthetic · Value for Money
    Filterbuy 16X25x1 Air Filter MERV 1…
    $48.12
    $8.02 / 1 ct
    Amazon.com
    4.5
    ·
    617
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    20X23x5 Air Filter (2-Pack), Pleate…
    $102.01
    FilterBuy.com
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    2Pk 20X25x5 MERV 11 X0586 Air Filte…
    $53.80
    Discount Filters
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    20X20x5 Air Filter (2-Pack), Pleate…
    $65.55
    FilterBuy.com
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    Filterbuy 20X25x5 Air Filter MERV 1…
    $71.05
    $35.53 / 1 ct
    Amazon.com
    4.5
    ·
    351
    New tab icon
    Filterbuy 24X25x5 Air Filter MERV 8 …
    $77.95
    $38.97 / 1 ct
    Amazon.com
    4.5
    ·
    108
    New tab icon
    1Pk 20X25x5 MERV 11 36PR95 Air Filt…
    $41.92
    Discount Filters
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    Effective air filtration · Electrostatic · High-quality Material · Perfect Fit · Synthetic
    Filterbuy 20X25x4 Air Filter MERV 1…
    $47.74
    $23.87 / 1 ct
    Amazon.com
    4.5
    ·
    1K+
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    Filterbuy 20X25x6 Air Filter MERV 1…
    $115.88
    $38.63 / 1 ct
    Amazon.com
    4.5
    ·
    3
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