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20x25x4 Air Filters in Furnace Air Filters(267)
Uses item details. Price when purchased online
Mann+Hummel 20x25x4 MERV 8 Pleated HVAC AC Furnace Air Filters. 3 Pack. (Exact Size: 19.5 x 24.5 x 3.75 Inches) $49.95

Sponsored
$4995
current price $49.95Mann+Hummel 20x25x4 MERV 8 Pleated HVAC AC Furnace Air Filters. 3 Pack. (Exact Size: 19.5 x 24.5 x 3.75 Inches)
104.8 out of 5 Stars. 10 reviews
Free shipping, arrives in 3+ days
2 Pack of 20x25x4 MERV 10 Pleated 4" Inch Air Filters by Glasfloss. Actual Size: 19-1/2 x 24-1/2 x 3-3/4 $39.95

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$3995
current price $39.952 Pack of 20x25x4 MERV 10 Pleated 4" Inch Air Filters by Glasfloss. Actual Size: 19-1/2 x 24-1/2 x 3-3/4
834.4 out of 5 Stars. 83 reviews
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Best seller SNAPZY 213 210 Replacement Filter Compatible with AprilAire Air Purifier Models 1210 1620 2210 2216 3210 4200 2200 Upgrade Kit 1213, Merv 13 Whole House Furnace Filters 20x25x4, 2-Pack $59.99
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$5999
current price $59.99SNAPZY 213 210 Replacement Filter Compatible with AprilAire Air Purifier Models 1210 1620 2210 2216 3210 4200 2200 Upgrade Kit 1213, Merv 13 Whole House Furnace Filters 20x25x4, 2-Pack
124.8 out of 5 Stars. 12 reviews
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Free shipping, arrives Sat, Feb 21
Best seller Filtrete 20x25x4 Air Filter, MPR 1000 MERV 11, Allergen Defense, 2 Filters $46.97
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$4697
current price $46.97Filtrete 20x25x4 Air Filter, MPR 1000 MERV 11, Allergen Defense, 2 Filters
5154.6 out of 5 Stars. 515 reviews
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Free shipping, arrives Sat, Feb 21
Low stock
Overall pick Filtrete 20x25x4 Air Filter, MPR 1550 MERV 12, Ultra Allergen Reduction, 1 Filter $33.88
Overall pick

$3388
current price $33.88Filtrete 20x25x4 Air Filter, MPR 1550 MERV 12, Ultra Allergen Reduction, 1 Filter
10194.6 out of 5 Stars. 1019 reviews
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Best seller Filtrete 20x25x4 Air Filter, MPR 1000 MERV 11, Allergen Defense, 2 Filters $46.97
Best seller

$4697
current price $46.97Filtrete 20x25x4 Air Filter, MPR 1000 MERV 11, Allergen Defense, 2 Filters
5154.6 out of 5 Stars. 515 reviews
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Free shipping, arrives Sat, Feb 21
Low stock
Honeywell FC100A1037-5 20" x 25" Merv 11 Filter Media (Pack of 5) $124.98

$12498
current price $124.98Honeywell FC100A1037-5 20" x 25" Merv 11 Filter Media (Pack of 5)
314.8 out of 5 Stars. 31 reviews
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Mann+Hummel 20x25x4 MERV 8 Pleated HVAC AC Furnace Air Filters. 3 Pack. (Exact Size: 19.5 x 24.5 x 3.75 Inches) $49.95

$4995
current price $49.95Mann+Hummel 20x25x4 MERV 8 Pleated HVAC AC Furnace Air Filters. 3 Pack. (Exact Size: 19.5 x 24.5 x 3.75 Inches)
104.8 out of 5 Stars. 10 reviews
Free shipping, arrives in 3+ days
2 Pack of 20x25x4 MERV 10 Pleated 4" Inch Air Filters by Glasfloss. Actual Size: 19-1/2 x 24-1/2 x 3-3/4 $39.95

$3995
current price $39.952 Pack of 20x25x4 MERV 10 Pleated 4" Inch Air Filters by Glasfloss. Actual Size: 19-1/2 x 24-1/2 x 3-3/4
834.4 out of 5 Stars. 83 reviews
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Filterbuy 20x25x4 MERV 8 Dust Defense, Pleated HVAC AC Furnace Air Filters (2-Pack) $41.99

$4199
current price $41.99Filterbuy 20x25x4 MERV 8 Dust Defense, Pleated HVAC AC Furnace Air Filters (2-Pack)
5084.6 out of 5 Stars. 508 reviews
Free shipping, arrives in 3+ days
Best seller SNAPZY 210 Replacement Filter Compatible with AprilAire Air Purifier Models 1210 1620 2210 2216 3210 4200 2200 Upgrade Kit 1213, Merv 11 Whole House Furnace Filters 20x25x4, 2-Pack $59.99
Best seller

Sponsored
$5999
current price $59.99SNAPZY 210 Replacement Filter Compatible with AprilAire Air Purifier Models 1210 1620 2210 2216 3210 4200 2200 Upgrade Kit 1213, Merv 11 Whole House Furnace Filters 20x25x4, 2-Pack
124.6 out of 5 Stars. 12 reviews
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Free shipping, arrives Sat, Feb 21
Mann+Hummel 20x25x4 MERV 8 Pleated HVAC AC Furnace Air Filters. 2 Pack. (Exact Size: 19.5 x 24.5 x 3.75 Inches) $39.95

Sponsored
$3995
current price $39.95Mann+Hummel 20x25x4 MERV 8 Pleated HVAC AC Furnace Air Filters. 2 Pack. (Exact Size: 19.5 x 24.5 x 3.75 Inches)
43 out of 5 Stars. 4 reviews
Free shipping, arrives in 3+ days
Best seller SNAPZY 213 210 Replacement Filter Compatible with AprilAire Air Purifier Models 1210 1620 2210 2216 3210 4200 2200 Upgrade Kit 1213, Merv 13 Whole House Furnace Filters 20x25x4, 2-Pack $59.99
Best seller

$5999
current price $59.99SNAPZY 213 210 Replacement Filter Compatible with AprilAire Air Purifier Models 1210 1620 2210 2216 3210 4200 2200 Upgrade Kit 1213, Merv 13 Whole House Furnace Filters 20x25x4, 2-Pack
124.8 out of 5 Stars. 12 reviews
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Free shipping, arrives Sat, Feb 21
3M Filtrate Ultra Allergen Reduction Filter Slim Fit 20" x 25" x 4", 2-Pack $46.99

$4699
current price $46.993M Filtrate Ultra Allergen Reduction Filter Slim Fit 20" x 25" x 4", 2-Pack
2544.6 out of 5 Stars. 254 reviews
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BestAir HW2025-11R Honeywell 20x25x4 Series 2000 MERV 11 Furnace Filter $45.54 Was $94.62

Now$4554
current price Now $45.54, Was $94.62$94.62
BestAir HW2025-11R Honeywell 20x25x4 Series 2000 MERV 11 Furnace Filter
374.3 out of 5 Stars. 37 reviews
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Filtrete 20x25x4 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 1 Filter $39.60

$3960
current price $39.60Filtrete 20x25x4 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 1 Filter
4024.6 out of 5 Stars. 402 reviews
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Best seller 213 Replacement Appliance Filter for AprilAire Whole House Air Purifiers - MERV 13, Healthy Home Allergy, 20x25x4 Air Filter (pack of 1) $35.10 Was $39.00
Best seller

Now$3510
current price Now $35.10, Was $39.00$39.00
213 Replacement Appliance Filter for AprilAire Whole House Air Purifiers - MERV 13, Healthy Home Allergy, 20x25x4 Air Filter (pack of 1)
94.3 out of 5 Stars. 9 reviews
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Aerostar 20x25x4 MERV 8 Pleated Air Filter, AC Furnace Air Filter, 6 Pack $79.96

$7996
current price $79.96Aerostar 20x25x4 MERV 8 Pleated Air Filter, AC Furnace Air Filter, 6 Pack
814.1 out of 5 Stars. 81 reviews
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Medify Air 12x12x1 Air Filter, MERV 14 Pleated with HEPA, HVAC Furnace Filter, 2-Pack $58.99

7 options
Available in additional 7 options$5899
current price $58.99Options from $38.99
Medify Air 12x12x1 Air Filter, MERV 14 Pleated with HEPA, HVAC Furnace Filter, 2-Pack
204.9 out of 5 Stars. 20 reviews
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Free shipping, arrives Sun, Feb 22
Mann+Hummel 20x25x4 MERV 8 Pleated HVAC AC Furnace Air Filters. 2 Pack. (Exact Size: 19.5 x 24.5 x 3.75 Inches) $39.95

$3995
current price $39.95Mann+Hummel 20x25x4 MERV 8 Pleated HVAC AC Furnace Air Filters. 2 Pack. (Exact Size: 19.5 x 24.5 x 3.75 Inches)
43 out of 5 Stars. 4 reviews
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Glasfloss ZL 20x25x4 MERV 10 Pleated AC Furnace Air Filters. Box of 4. Exact Size: 19-1/2 x 24-1/2 x 3-3/4 $62.95

Sponsored
$6295
current price $62.95Glasfloss ZL 20x25x4 MERV 10 Pleated AC Furnace Air Filters. Box of 4. Exact Size: 19-1/2 x 24-1/2 x 3-3/4
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20x25x4 MERV 10 Pleated AC Furnace Air Filters by Glasfloss Industries. ( 3 Pack ) Exact Size: 19-1/2 x 24-1/2 x 3-3/4 $49.95

Sponsored
$4995
current price $49.9520x25x4 MERV 10 Pleated AC Furnace Air Filters by Glasfloss Industries. ( 3 Pack ) Exact Size: 19-1/2 x 24-1/2 x 3-3/4
15 out of 5 Stars. 1 reviews
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Filtrete 20x20x4 Air Filter, MPR 1000, MERV 11, Allergen Defense 12-Month Deep Pleated 4-Inch Air Filters, 2 Filters $48.37
$4837
current price $48.37Options from $46.97
Filtrete 20x20x4 Air Filter, MPR 1000, MERV 11, Allergen Defense 12-Month Deep Pleated 4-Inch Air Filters, 2 Filters
3444.7 out of 5 Stars. 344 reviews
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Filtrete 20x25x4 Replacement Air Filters, MPR 1000 MERV 11, Allergen Defense, 2 Pack $44.99

$4499
current price $44.99Filtrete 20x25x4 Replacement Air Filters, MPR 1000 MERV 11, Allergen Defense, 2 Pack
1394.7 out of 5 Stars. 139 reviews
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Free shipping, arrives Sat, Feb 21
Best seller SNAPZY 210 Replacement Filter Compatible with AprilAire Air Purifier Models 1210 1620 2210 2216 3210 4200 2200 Upgrade Kit 1213, Merv 11 Whole House Furnace Filters 20x25x4, 2-Pack $59.99
Best seller

$5999
current price $59.99SNAPZY 210 Replacement Filter Compatible with AprilAire Air Purifier Models 1210 1620 2210 2216 3210 4200 2200 Upgrade Kit 1213, Merv 11 Whole House Furnace Filters 20x25x4, 2-Pack
124.6 out of 5 Stars. 12 reviews
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Free shipping, arrives Sat, Feb 21
Clearance Air Filters MERV 13 Electrostatic Pleated HVAC Furnace Filter 4-Pack 20 x 25 x 4, High-Efficiency Multi-Layer Design, Captures Dust, Smoke, Pollen, Pet Dander, Odors, and Fine Airborne Particles $10.99 Was $17.99
Clearance

Now$1099
current price Now $10.99, Was $17.99$17.99
Air Filters MERV 13 Electrostatic Pleated HVAC Furnace Filter 4-Pack 20 x 25 x 4, High-Efficiency Multi-Layer Design, Captures Dust, Smoke, Pollen, Pet Dander, Odors, and Fine Airborne Particles
Free shipping, arrives in 3+ days
Glasfloss ZL 20x25x4 MERV 10 Pleated AC Furnace Air Filters. Box of 4. Exact Size: 19-1/2 x 24-1/2 x 3-3/4 $62.95

$6295
current price $62.95Glasfloss ZL 20x25x4 MERV 10 Pleated AC Furnace Air Filters. Box of 4. Exact Size: 19-1/2 x 24-1/2 x 3-3/4
Free shipping, arrives in 3+ days
210 20 in. x 25 in. x 4 in. MERV 11 FPR 12 Pleated Filter For Air Cleaner Models 1210/1620/2210/2216/3210/4200 (1-Pack) $78.99

$7899
current price $78.99210 20 in. x 25 in. x 4 in. MERV 11 FPR 12 Pleated Filter For Air Cleaner Models 1210/1620/2210/2216/3210/4200 (1-Pack)
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For AprilAire 210 Whole House Air Purifiers Replacement Appliance Filter - Models 1210, 1620, 2120, 2200, 2210, 2216, 3210, 4200, Furnace Filter MERV 11, 20x25x4 Air Filter (pack of 1) $35.10 Was $39.00

Now$3510
current price Now $35.10, Was $39.00$39.00
For AprilAire 210 Whole House Air Purifiers Replacement Appliance Filter - Models 1210, 1620, 2120, 2200, 2210, 2216, 3210, 4200, Furnace Filter MERV 11, 20x25x4 Air Filter (pack of 1)
15 out of 5 Stars. 1 reviews
Free shipping, arrives in 3+ days
VEVOR Electrostatic Air Filter, 20x25x4 inch Washable & Reusable Aluminum AC/HVAC Furnace Filter, MERV 8 Long Lifetime, Home or Office (Actual Size: 19.37 x 24.37 x 3.58 in) $59.99

$5999
current price $59.99VEVOR Electrostatic Air Filter, 20x25x4 inch Washable & Reusable Aluminum AC/HVAC Furnace Filter, MERV 8 Long Lifetime, Home or Office (Actual Size: 19.37 x 24.37 x 3.58 in)
Free shipping, arrives in 3+ days
Glasfloss ZL 20x25x4 MERV 10 Honeywell FC100A1037 Air Cleaner Filter Replacement. 2 Pack. Exact Size: 20 x 24-7/8 x 4-3/8 $58.95

Sponsored
$5895
current price $58.95Glasfloss ZL 20x25x4 MERV 10 Honeywell FC100A1037 Air Cleaner Filter Replacement. 2 Pack. Exact Size: 20 x 24-7/8 x 4-3/8
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Clean Comfort AMP-11-2025-45 (2-Pack) - 20" x 25" x 4.5" Media Air Filter, MERV 11 $68.33

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$6833
current price $68.33Clean Comfort AMP-11-2025-45 (2-Pack) - 20" x 25" x 4.5" Media Air Filter, MERV 11
94.8 out of 5 Stars. 9 reviews
Free shipping, arrives in 3+ days
20x25x4 MERV 10 Pleated AC Furnace Air Filters by Glasfloss Industries. ( 3 Pack ) Exact Size: 19-1/2 x 24-1/2 x 3-3/4 $49.95

$4995
current price $49.9520x25x4 MERV 10 Pleated AC Furnace Air Filters by Glasfloss Industries. ( 3 Pack ) Exact Size: 19-1/2 x 24-1/2 x 3-3/4
15 out of 5 Stars. 1 reviews
Free shipping, arrives in 3+ days
Clean Comfort AMP-11-2025-45 (2-Pack) - 20" x 25" x 4.5" Media Air Filter, MERV 11 $68.33

$6833
current price $68.33Clean Comfort AMP-11-2025-45 (2-Pack) - 20" x 25" x 4.5" Media Air Filter, MERV 11
94.8 out of 5 Stars. 9 reviews
Free shipping, arrives in 3+ days
3 Pack 213 Replacement Filter Compatible with Aprilaire Whole House Air Purifiers 1210, 1620, 2120, 2200, 2210, 2216, 3210, 4200, Furnace Air Filter for Whole House Furnace, MERV-13, 20x25x4 $59.99

$5999
current price $59.993 Pack 213 Replacement Filter Compatible with Aprilaire Whole House Air Purifiers 1210, 1620, 2120, 2200, 2210, 2216, 3210, 4200, Furnace Air Filter for Whole House Furnace, MERV-13, 20x25x4
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Free shipping, arrives Sun, Feb 22
20x25x4, Air Filter MERV 10 (1-Pcs), Pleated HVAC AC Furnace Air Filters Replacement $23.99

$2399
current price $23.9920x25x4, Air Filter MERV 10 (1-Pcs), Pleated HVAC AC Furnace Air Filters Replacement
13 out of 5 Stars. 1 reviews
Free shipping, arrives in 3+ days
Filterbuy 20x25x4 MERV 8 Dust Defense, Pleated HVAC AC Furnace Air Filters (4-Pack) $79.96

$7996
current price $79.96Filterbuy 20x25x4 MERV 8 Dust Defense, Pleated HVAC AC Furnace Air Filters (4-Pack)
1034.4 out of 5 Stars. 103 reviews
Free shipping, arrives in 3+ days
Nordic Pure 20x25x4 (3 5/8) Pleated Plus Carbon Air Filters MERV 8 1 Pack $35.99

3 options
Available in additional 3 options$3599
current price $35.99Options from $35.99 – $159.99
Nordic Pure 20x25x4 (3 5/8) Pleated Plus Carbon Air Filters MERV 8 1 Pack
13 out of 5 Stars. 1 reviews
Free shipping, arrives in 3+ days
Honeywell FC100A1037 Furnace Filters, 20x25x4 Air Filter Replacement Merv 11 Filter Media with Homequip Disposal Bag $47.99

5 options
Available in additional 5 options$4799
current price $47.99Options from $47.99 – $174.99
Honeywell FC100A1037 Furnace Filters, 20x25x4 Air Filter Replacement Merv 11 Filter Media with Homequip Disposal Bag
214.4 out of 5 Stars. 21 reviews
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Fortify 20x25x4 MERV 11 Replacement for Honeywell FC100A1037 and Carrier Pleated HVAC AC Furnace Filters. (Quantity 1) Actual Size: 19.88 x 24.75 x 4.38 $36.97

$3697
current price $36.97Fortify 20x25x4 MERV 11 Replacement for Honeywell FC100A1037 and Carrier Pleated HVAC AC Furnace Filters. (Quantity 1) Actual Size: 19.88 x 24.75 x 4.38
Free shipping, arrives in 3+ days
Air Filter MERV 10 (4-Pack) - Pleated Air Conditioner HVAC AC Furnace Air Filters Replacement (14x20x1 4-Pack), SB12617 $29.99

11 sizes
Available in additional 11 sizes$2999
current price $29.99Options from $29.99 – $64.99
Air Filter MERV 10 (4-Pack) - Pleated Air Conditioner HVAC AC Furnace Air Filters Replacement (14x20x1 4-Pack), SB12617
25 out of 5 Stars. 2 reviews
Nordic Pure 20x25x4 (3 5/8) Pleated Air Filters MERV 7 Plus Carbon 1 Pack $34.99

3 options
Available in additional 3 options$3499
current price $34.99Options from $34.99 – $149.99
Nordic Pure 20x25x4 (3 5/8) Pleated Air Filters MERV 7 Plus Carbon 1 Pack
15 out of 5 Stars. 1 reviews
Simply Filters 20x25x4 MERV 11, MPR 1000, AC Furnace HVAC Air Filter (12 Pack) $37.97

6 options
Available in additional 6 options$3797
current price $37.97Options from $37.97 – $272.39
Simply Filters 20x25x4 MERV 11, MPR 1000, AC Furnace HVAC Air Filter (12 Pack)
5564.7 out of 5 Stars. 556 reviews
Filterbuy 20x25x4 MERV 13 Health Defense, Pleated HVAC AC Furnace Air Filters (2-Pack) $59.98

$5998
current price $59.98Filterbuy 20x25x4 MERV 13 Health Defense, Pleated HVAC AC Furnace Air Filters (2-Pack)
4954.7 out of 5 Stars. 495 reviews
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