10 bestAc Filtersof January 2026

112M consumers helped this year.

1

Filtrete 20x30x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 6 Pack (Actual Size 19.81 x 29.81 x 0.81 in)

Filtrete 20x30x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 6 Pack (Actual Size 19.81 x 29.81 x 0.81 in)

Filtrete 20x30x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 6 Pack (Actual Size 19.81 x 29.81 x 0.81 in)

Filtrete

9.9

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2

Nordic Pure 16x20x4M8-2 MERV 8 Pleated AC Furnace Air Filter, 16x20x4, Box of 2

Nordic Pure 16x20x4M8-2 MERV 8 Pleated AC Furnace Air Filter, 16x20x4, Box of 2

Nordic Pure 16x20x4M8-2 MERV 8 Pleated AC Furnace Air Filter, 16x20x4, Box of 2

Nordic Pure

9.8

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3

Filtrete 20x25x4(SlimFit), AC Furnace Air Filter, MPR 1550 DP, Healthy Living Ultra Allergen Deep Pleat, 4-Pack, Fits Lennox & Honeywell Devices (exact dimensions 19.5 x 24.5 x 3.75)

Filtrete 20x25x4(SlimFit), AC Furnace Air Filter, MPR 1550 DP, Healthy Living Ultra Allergen Deep Pleat, 4-Pack, Fits Lennox & Honeywell Devices (exact dimensions 19.5 x 24.5 x 3.75)

Filtrete 20x25x4(SlimFit), AC Furnace Air Filter, MPR 1550 DP, Healthy Living Ultra Allergen Deep Pleat, 4-Pack, Fits Lennox & Honeywell Devices (exact dimensions 19.5 x 24.5 x 3.75)

Filtrete

9.6

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4

Filtrete 20x30x1 AC Furnace Air Filter, Merv 8 MPR 700, Dust, Pollen, & Pet Dander, 4-Pack (exact dimensions 29.88x19.88x1.63)

Filtrete 20x30x1 AC Furnace Air Filter, Merv 8 MPR 700, Dust, Pollen, & Pet Dander, 4-Pack (exact dimensions 29.88x19.88x1.63)

Filtrete 20x30x1 AC Furnace Air Filter, Merv 8 MPR 700, Dust, Pollen, & Pet Dander, 4-Pack (exact dimensions 29.88x19.88x1.63)

Filtrete

9.4

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5

Nordic Pure 20x20x1 MERV 12 Pleated AC Furnace Air Filters 6 Pack

Nordic Pure 20x20x1 MERV 12 Pleated AC Furnace Air Filters 6 Pack

Nordic Pure 20x20x1 MERV 12 Pleated AC Furnace Air Filters 6 Pack

Nordic Pure

9.2

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OtherRelated products

Filtrete 12x20x1 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 11.81x19.81x0.78 in)

Filtrete 12x20x1 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 11.81x19.81x0.78 in)

PUREBURG HPA830W Replacement True HEPA Filter Set Compatible with Honeywell HPA830 Series HEPA Air Purifier, HRFJ830 / Filter J

PUREBURG HPA830W Replacement True HEPA Filter Set Compatible with Honeywell HPA830 Series HEPA Air Purifier, HRFJ830 / Filter J

Filtrete 16x25x1 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 15.69x24.69x0.78 in)

Filtrete 16x25x1 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 15.69x24.69x0.78 in)

Nispira True HEPA Replacement Filter Compatible with Filtrate Ultra Clean Air Purifier FAP03. Compared to Part FAP03 FAPF034 | Size 21.18" x 11.62" x 0.75" | 2 Packs

Nispira True HEPA Replacement Filter Compatible with Filtrate Ultra Clean Air Purifier FAP03. Compared to Part FAP03 FAPF034 | Size 21.18" x 11.62" x 0.75" | 2 Packs

6

Filtrete 14x25x1 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 13.81x24.81x0.78 in)

Filtrete 14x25x1 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 13.81x24.81x0.78 in)

Filtrete 14x25x1 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 13.81x24.81x0.78 in)

Filtrete

9.0

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7

Filtrete 12x24x1, AC Furnace Air Filter, MPR 2200, Healthy Living Elite Allergen, 2-Pack (exact dimensions 11.69 x 23.69 x 0.78)

Filtrete 12x24x1, AC Furnace Air Filter, MPR 2200, Healthy Living Elite Allergen, 2-Pack (exact dimensions 11.69 x 23.69 x 0.78)

Filtrete 12x24x1, AC Furnace Air Filter, MPR 2200, Healthy Living Elite Allergen, 2-Pack (exact dimensions 11.69 x 23.69 x 0.78)

Filtrete

8.8

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8

Nordic Pure 14x20x1 MERV 12 Pleated AC Furnace Air Filters, Pack of 6

Nordic Pure 14x20x1 MERV 12 Pleated AC Furnace Air Filters, Pack of 6

Nordic Pure 14x20x1 MERV 12 Pleated AC Furnace Air Filters, Pack of 6

Nordic Pure

8.6

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9

Nordic Pure 12x12x1M7-6 MERV 7 Pleated AC Furnace Air Filter, 12x12x1, Box of 6

Nordic Pure 12x12x1M7-6 MERV 7 Pleated AC Furnace Air Filter, 12x12x1, Box of 6

Nordic Pure 12x12x1M7-6 MERV 7 Pleated AC Furnace Air Filter, 12x12x1, Box of 6

Nordic Pure

8.3

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3% off

10

BNX TruFilter 20x20x1 MERV 13 (4-Pack) AC Furnace Air Filter,MADE IN USA,Electrostatic Pleated Air Conditioner HVAC AC Furnace Filters, Bacteria, Smoke (Actual Size: 19 11/16’’x19 11/16’’x3/4‘’)

BNX TruFilter 20x20x1 MERV 13 (4-Pack) AC Furnace Air Filter,MADE IN USA,Electrostatic Pleated Air Conditioner HVAC AC Furnace Filters, Bacteria, Smoke (Actual Size: 19 11/16’’x19 11/16’’x3/4‘’)

BNX TruFilter 20x20x1 MERV 13 (4-Pack) AC Furnace Air Filter,MADE IN USA,Electrostatic Pleated Air Conditioner HVAC AC Furnace Filters, Bacteria, Smoke (Actual Size: 19 11/16’’x19 11/16’’x3/4‘’)

BNX

8.1

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