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10 bestFurnace Air Filtersof November 2024

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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14% off

2

VITESY NATEDE SMART Air Purifier Without Filters to Change with Integrated Monitoring System | -99% of Bacteria, Microbes, Mold, VOCs and Viruses | Capture Ambient Odors | Sustainable & MADE IN ITALY

VITESY NATEDE SMART Air Purifier Without Filters to Change with Integrated Monitoring System | -99% of Bacteria, Microbes, Mold, VOCs and Viruses | Capture Ambient Odors | Sustainable & MADE IN ITALY

VITESY NATEDE SMART Air Purifier Without Filters to Change with Integrated Monitoring System | -99% of Bacteria, Microbes, Mold, VOCs and Viruses | Capture Ambient Odors | Sustainable & MADE IN ITALY

VITESY

9.8

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3

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

9.8

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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

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

9.6

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OtherRelated products

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)

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)

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)

BNX TruFilter 16x24x1 Air Filter MERV 11 (6-Pack) - MADE IN USA - Allergen Defense Electrostatic Pleated Air Conditioner HVAC AC Furnace Filters for Allergies, Dust, Pet, Smoke, Allergy MPR 1200 FPR 7

BNX TruFilter 16x24x1 Air Filter MERV 11 (6-Pack) - MADE IN USA - Allergen Defense Electrostatic Pleated Air Conditioner HVAC AC Furnace Filters for Allergies, Dust, Pet, Smoke, Allergy MPR 1200 FPR 7

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

9.5

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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

9.3

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8

Aerostar 20x20x4 MERV 13 Pleated Air Filter, AC Furnace Air Filter, 6 Pack (Actual Size: 19 1/2"x19 1/2"x3 3/4")

Aerostar 20x20x4 MERV 13 Pleated Air Filter, AC Furnace Air Filter, 6 Pack (Actual Size: 19 1/2"x19 1/2"x3 3/4")

Aerostar 20x20x4 MERV 13 Pleated Air Filter, AC Furnace Air Filter, 6 Pack (Actual Size: 19 1/2"x19 1/2"x3 3/4")

Aerostar

9.1

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9

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 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

8.9

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10

STCRERAG Universal Activated Carbon Filters, 48x16inch Cut to Fit Carbon Pad Carbon Cooker Hood Filter Replacement Carbon Air Filter Charcoal Sheet for Air Purifier Range Hoods Furnace Filters

STCRERAG Universal Activated Carbon Filters, 48x16inch Cut to Fit Carbon Pad Carbon Cooker Hood Filter Replacement Carbon Air Filter Charcoal Sheet for Air Purifier Range Hoods Furnace Filters

STCRERAG Universal Activated Carbon Filters, 48x16inch Cut to Fit Carbon Pad Carbon Cooker Hood Filter Replacement Carbon Air Filter Charcoal Sheet for Air Purifier Range Hoods Furnace Filters

STCRERAG

8.6

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