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10 Best 20 x 25 x 4 air filters of 2025
Save up to 22% off
Best Choice1
FilterbuyFilterbuy 20x25x4 Air Filter MERV 8 Dust Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 x 24.50 x 3.63 Inches)
9.9Exceptional
Our Rating
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Value for Money2
FilterbuyFilterbuy 20x23x1 Air Filter MERV 8 Dust Defense (6-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 x 22.50 x 0.75 Inches)
20% Off9.8Exceptional
Our Rating
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3
FilterbuyFilterbuy 16x20x4 Air Filter MERV 8 Dust Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 15.50 x 19.50 x 3.63 Inches)
9.7Exceptional
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4
FilterbuyFilterbuy 20x30x1 Air Filter MERV 11 Allergen Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.63 x 29.63 x 0.75 Inches)
9.6Exceptional
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5
FilterbuyFilterbuy 20x20x4 Air Filter MERV 11 Allergen Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 x 19.50 x 3.63 Inches)
Key specs-
size:20x20x4
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material:Aluminum, Polypropylene, Plastic
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usage:Furnace, Air Conditioner
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special features:Easy to Install, Dust Collection
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merv:MERV 11
9.5Excellent
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6
FiltreteFiltrete 20x25x4 AC Furnace Air Filter, MPR 1000, MERV 11, Fits Honeywell & AprilAire Space-Gard, Allergen Defense, Electrostatic Air Cleaning Filter, 4-Pack (actual size 19.88 x 24.63 x 4.31)
15% Off9.4Excellent
Our Rating
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7
FiltreteFiltrete 20x25x4 Air Filter, MPR 1000, MERV 11, Allergen Defense 12-Month Deep Pleated 4-Inch Air Filters, 2 Filters
Key specs-
size:20x25x4
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material:Fiberglass
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usage:Furnace air filter
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special features:Filtrete 3-in-1 technology
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merv:11
9.3Excellent
Our Rating
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8
FiltreteFiltrete 20x25x4 AC Furnace Air Filter, MPR 1550, MERV 12, Fits Lennox & Honeywell, Allergen, Electrostatic Air Cleaning Filter, 2-Pack (actual size 19.88 x 24.63 x 4.31)
22% OffKey specs-
size:20x25x4
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material:Electrostatically charged filter media
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usage:Furnace, AC, HVAC
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special features:CERTIFIED asthma and allergy-friendly
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merv:12
9.1Excellent
Our Rating
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9
AerostarAerostar 20x25x4 MERV 8 - 6 Count - High Efficiency Pleated HVAC, Furnace & Air Conditioner Filters - Removes Dust, Lint, Mold & Allergy-Causing Pollen
21% OffKey specs-
size:20x25x4
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material:Synthetic electrostatic media
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usage:Filter microscopic particles
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special features:Low air flow resistance
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merv:MERV 8
8.8Very Good
Our Rating
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10
FilterbuyFilterbuy 20x25x4 Air Filter MERV 8 Dust Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 x 24.50 x 3.63 Inches)
Key specs-
size:2 Count Pack of 1
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material:Polyester, Aluminum, Plastic
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usage:Commercial/Residential
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special features:Easy to Install, Dust Collection, Removable
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merv:8.00
8.7Very Good
Our Rating
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