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10 Best 20 X 20 X 1 Air Filters 2024 in the US

From leading brands and best sellers available on the web.

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Filtrete 1

Filtrete

17%OFF

Filtrete 12x20x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 2 Pack (Actual Size 11.81x19.81x0.81 in)

#1

Winner

Filtrete 2

Filtrete

Filtrete 20x20x1 AC Furnace Air Filter, MERV 5, MPR 300, Capture Unwanted Particles, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 6-Pack (Actual Size19.69x19.69x0.81 in)

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Sponsored

Filtrete 1

Filtrete

17%OFF

Filtrete 12x20x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 2 Pack (Actual Size 11.81x19.81x0.81 in)

#2
Simply Fil

Simply

15%OFF

Simply Filters 20x20x1 MERV 8, MPR 600, Air Filter (6 Pack) - Actual Size: 19.75"x19.75"x0.75" HVAC, AC Furnace Air Filter

#3
Filtrete 2

Filtrete

20%OFF

Editor’s Choice

Filtrete 20x20x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 2 Pack (Actual Size 19.719 x 19.719 x 0.84 in)

#4
Filtrete 2

Filtrete

40%OFF

Filtrete 20x20x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 4 Pack (Actual Size 19.69x19.69x0.81 in)

#5
Aerostar 2

Aerostar

Aerostar 20x20x1 MERV 8 Pleated Air Filter, AC Furnace Air Filter,(Actual Size: 19 3/4" x 19 3/4" x 3/4"), 6 Count ( Pack of 1)

#6
Amazon Bas

Amazon Basics

34%OFF

Amazon Basics Merv 11 AC Furnace Air Filter - 20'' x 20'' x 1'', 6-Pack

#7
BNX TruFil

BNX

BNX TruFilter 20x20x1 MERV 13 (4-Pack) AC Furnace Air Filter - MADE IN USA - Electrostatic Pleated Air Conditioner HVAC AC Furnace Filters - Removes Pollen, Mold, Bacteria, Smoke

#8
Aerostar 2

Aerostar

7%OFF

Aerostar 20x20x1 MERV 11 Pleated Air Filter, AC Furnace Air Filter, 6 Pack (Actual Size: 19 3/4"x 19 3/4" x 3/4")

#9
Aerostar 2

Aerostar

Aerostar 20x20x1 MERV 13 Pleated Air Filter, AC Furnace Air Filter, 6 Pack (Actual Size: 19 3/4" x 19 3/4" x 3/4")

#10
Filtrete 2

Filtrete

18%OFF

Filtrete 20x20x1 Air Filter, MPR 2800, MERV 14, Healthy Living Ultrafine Particle Reduction 3-Month Pleated 1-Inch Air Filters, 2 Filters

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Filterbuy 20x20x1 Air Filter MERV 8 Dust Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 x 19.50 x 0.75 Inches)

Filterbuy 20x20x1 Air Filter MERV 8 Dust Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 x 19.50 x 0.75 Inches)

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Filtrete 12x20x1 AC Furnace Air Filter, MERV 12, MPR 1500, CERTIFIED asthma & allergy friendly, 3 Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 2-Pack (Actual Size 11.81x19.81x0.78 in)

Filtrete 12x20x1 AC Furnace Air Filter, MERV 12, MPR 1500, CERTIFIED asthma & allergy friendly, 3 Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 2-Pack (Actual Size 11.81x19.81x0.78 in)

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Filtrete 20x20x1 AC Furnace Air Filter, MERV 12, MPR 1500, CERTIFIED asthma & allergy friendly, 3 Month Pleated 1-Inch Electrostatic Air Cleaning Filter, Pack of 2 (Actual Size 19.69x19.69x0.78 in)

Filtrete 20x20x1 AC Furnace Air Filter, MERV 12, MPR 1500, CERTIFIED asthma & allergy friendly, 3 Month Pleated 1-Inch Electrostatic Air Cleaning Filter, Pack of 2 (Actual Size 19.69x19.69x0.78 in)

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Filtrete 12x12x1 AC Furnace Air Filter, MERV 13, MPR 1900, Premium Allergen, Bacteria & Virus Filter, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 2-Pack (Actual Size 11.81x11.81x0.78 in)

Filtrete 12x12x1 AC Furnace Air Filter, MERV 13, MPR 1900, Premium Allergen, Bacteria & Virus Filter, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 2-Pack (Actual Size 11.81x11.81x0.78 in)

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Filtrete 20x30x1 AC Furnace Air Filter, MERV 12, MPR 1500, CERTIFIED asthma & allergy friendly, 3 Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 2-Pack (Actual Size 19.81x29.81x0.78 in)

Filtrete 20x30x1 AC Furnace Air Filter, MERV 12, MPR 1500, CERTIFIED asthma & allergy friendly, 3 Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 2-Pack (Actual Size 19.81x29.81x0.78 in)

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