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10 bestFurnace Filtersof January 2026

112M consumers helped this year.

1

Filtrete 20x20x1 AC Furnace Air Filter, MERV 13, MPR 1900, Premium Allergen, Bacteria & Virus Filter, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 4-Pack (Actual Size 19.69x19.69x0.78 in)

Filtrete 20x20x1 AC Furnace Air Filter, MERV 13, MPR 1900, Premium Allergen, Bacteria & Virus Filter, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 4-Pack (Actual Size 19.69x19.69x0.78 in)

Filtrete 20x20x1 AC Furnace Air Filter, MERV 13, MPR 1900, Premium Allergen, Bacteria & Virus Filter, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 4-Pack (Actual Size 19.69x19.69x0.78 in)

Filtrete

9.9

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2

Filtrete EA03-6PK-1E, AC Furnace Air Filter, MPR 2200, Healthy Living Elite Allergen, 6-Pack (Exact Dimensions 19.69 x 24.69 x 0.78), White

Filtrete EA03-6PK-1E, AC Furnace Air Filter, MPR 2200, Healthy Living Elite Allergen, 6-Pack (Exact Dimensions 19.69 x 24.69 x 0.78), White

Filtrete EA03-6PK-1E, AC Furnace Air Filter, MPR 2200, Healthy Living Elite Allergen, 6-Pack (Exact Dimensions 19.69 x 24.69 x 0.78), White

Filtrete

9.8

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3

Aerostar 24x24x4 MERV 13 Pleated Air Filter, AC Furnace Air Filter, 6 Pack (Actual Size: 23 3/4"x23 3/4"x3 3/4")

Aerostar 24x24x4 MERV 13 Pleated Air Filter, AC Furnace Air Filter, 6 Pack (Actual Size: 23 3/4"x23 3/4"x3 3/4")

Aerostar 24x24x4 MERV 13 Pleated Air Filter, AC Furnace Air Filter, 6 Pack (Actual Size: 23 3/4"x23 3/4"x3 3/4")

Aerostar

9.8

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4

LotFancy 20x30x1 Air Filters, MERV 13 AC Furnace Filters, 6 Pack Pleated Air Conditioner HVAC Filters (Actual Size: 19.75 x 29.75 x 0.75 Inches)

LotFancy 20x30x1 Air Filters, MERV 13 AC Furnace Filters, 6 Pack Pleated Air Conditioner HVAC Filters (Actual Size: 19.75 x 29.75 x 0.75 Inches)

LotFancy 20x30x1 Air Filters, MERV 13 AC Furnace Filters, 6 Pack Pleated Air Conditioner HVAC Filters (Actual Size: 19.75 x 29.75 x 0.75 Inches)

LotFancy

9.7

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5

Montemono 20x30x1 HVAC Filter | MERV8 Aluminum Electrostatic Air Filter Replacement Washable Furnace Filters Reusable Furnace Center AC Filter for Home, 2 PCS

Montemono 20x30x1 HVAC Filter | MERV8 Aluminum Electrostatic Air Filter Replacement Washable Furnace Filters Reusable Furnace Center AC Filter for Home, 2 PCS

Montemono 20x30x1 HVAC Filter | MERV8 Aluminum Electrostatic Air Filter Replacement Washable Furnace Filters Reusable Furnace Center AC Filter for Home, 2 PCS

Montemono

9.5

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OtherRelated products

Filtrete 20x25x4 AC Furnace Air Filter, MPR 1000, MERV 11, Fits Lennox & Honeywell Devices, Allergen Defense, Electrostatic Air Cleaning Filter, 4-Pack (actual size 19.88 x 24.63 x 4.31)

Filtrete 20x25x4 AC Furnace Air Filter, MPR 1000, MERV 11, Fits Lennox & Honeywell Devices, Allergen Defense, Electrostatic Air Cleaning Filter, 4-Pack (actual size 19.88 x 24.63 x 4.31)

Filtrete 20x20x1 AC Furnace Air Filter, MERV 13, MPR 2200, Elite Allergen, Bacteria & Virus Filter, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 2-Pack (Actual Size 19.719x19.719x0.78 in)

Filtrete 20x20x1 AC Furnace Air Filter, MERV 13, MPR 2200, Elite Allergen, Bacteria & Virus Filter, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 2-Pack (Actual Size 19.719x19.719x0.78 in)

LotFancy 16x20x1 Air Filters, MERV 13 AC Furnace Filters, 4 Pack Pleated Air Conditioner HVAC Filters (Actual Size: 15.75 x 19.75 x 0.75 Inches)

LotFancy 16x20x1 Air Filters, MERV 13 AC Furnace Filters, 4 Pack Pleated Air Conditioner HVAC Filters (Actual Size: 15.75 x 19.75 x 0.75 Inches)

K&N 20x24x1 HVAC Furnace Air Filter, Lasts a Lifetime, Washable, Merv 11, the Last HVAC Filter You Will Ever Buy, Breathe Safely at Home or in the Office (Actual Dimensions.8 x 23.6 x 19.6 inches)

K&N 20x24x1 HVAC Furnace Air Filter, Lasts a Lifetime, Washable, Merv 11, the Last HVAC Filter You Will Ever Buy, Breathe Safely at Home or in the Office (Actual Dimensions.8 x 23.6 x 19.6 inches)

6

Qingzhug 10x30x1 MERV 13 (6-Pack) Pleated Air Filter (Actual Size: 9.75x29.75x0.75") MPR 1900 & FPR 10, Furnace Air Filters

Qingzhug 10x30x1 MERV 13 (6-Pack) Pleated Air Filter (Actual Size: 9.75x29.75x0.75") MPR 1900 & FPR 10, Furnace Air Filters

Qingzhug 10x30x1 MERV 13 (6-Pack) Pleated Air Filter (Actual Size: 9.75x29.75x0.75") MPR 1900 & FPR 10, Furnace Air Filters

Qingzhug

9.3

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7

Furnace AC Air Filter MERV 13, 20" x 20" x 1" Pleated Air Filter for HVAC System (Pack of 6)

Furnace AC Air Filter MERV 13, 20" x 20" x 1" Pleated Air Filter for HVAC System (Pack of 6)

Furnace AC Air Filter MERV 13, 20" x 20" x 1" Pleated Air Filter for HVAC System (Pack of 6)

Aulnay

9.0

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8

PUREBURG Replacement HEPA Filter Compatible with Russell Hobbs RHDH1101G Dehumidifier Air Purifier 2-in-1 1000ml,3-Pack

PUREBURG Replacement HEPA Filter Compatible with Russell Hobbs RHDH1101G Dehumidifier Air Purifier 2-in-1 1000ml,3-Pack

PUREBURG Replacement HEPA Filter Compatible with Russell Hobbs RHDH1101G Dehumidifier Air Purifier 2-in-1 1000ml,3-Pack

PUREBURG

8.8

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9

Carmerny 16x25x5 X6672 MERV 16 Furnace Filter Compatible with Lennox X6672 Healthy Climate Carbon Clean for Furnace HVAC System (Actual Size: 15.75 x 24.75 x 4.37 In), Part Number HCF16-16, Pack of 2

Carmerny 16x25x5 X6672 MERV 16 Furnace Filter Compatible with Lennox X6672 Healthy Climate Carbon Clean for Furnace HVAC System (Actual Size: 15.75 x 24.75 x 4.37 In), Part Number HCF16-16, Pack of 2

Carmerny 16x25x5 X6672 MERV 16 Furnace Filter Compatible with Lennox X6672 Healthy Climate Carbon Clean for Furnace HVAC System (Actual Size: 15.75 x 24.75 x 4.37 In), Part Number HCF16-16, Pack of 2

Carmerny

8.6

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10

Filtrete 16x24x1 AC Furnace Air Filter, MERV 12, MPR 1500, CERTIFIED asthma & allergy friendly, 3 Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 6-Pack (Actual Size 15.81x23.81x0.78 in)

Filtrete 16x24x1 AC Furnace Air Filter, MERV 12, MPR 1500, CERTIFIED asthma & allergy friendly, 3 Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 6-Pack (Actual Size 15.81x23.81x0.78 in)

Filtrete 16x24x1 AC Furnace Air Filter, MERV 12, MPR 1500, CERTIFIED asthma & allergy friendly, 3 Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 6-Pack (Actual Size 15.81x23.81x0.78 in)

Filtrete

8.3

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