We use cookies to enhance the security, performance, functionality and for analytical and promotional activities. We use cookies to personalize ads for you. By continuing to browse this site you're agreeing to our Privacy PolicyWe use cookies to enhance your experience and personalize ads. By using the site, you agree to that. Privacy Policy

10 bestAirfilterbuy Furnace Filtersof December 2025

112M consumers helped this year.

1

Filtrete 16x25x1 Furnace Filter, MPR 1500, MERV 12, Healthy Living Ultra-Allergen 3-Month Pleated 1-Inch Air Filters, 2 Filters

Filtrete 16x25x1 Furnace Filter, MPR 1500, MERV 12, Healthy Living Ultra-Allergen 3-Month Pleated 1-Inch Air Filters, 2 Filters

Filtrete 16x25x1 Furnace Filter, MPR 1500, MERV 12, Healthy Living Ultra-Allergen 3-Month Pleated 1-Inch Air Filters, 2 Filters

Filtrete

9.8

Buy it on Amazon

2

Filtrete 16x20x1 Furnace Filter, MPR 300, MERV 5, Clean Living Basic Dust 3-Month Pleated 1-Inch Air Filters, 6 Filters

Filtrete 16x20x1 Furnace Filter, MPR 300, MERV 5, Clean Living Basic Dust 3-Month Pleated 1-Inch Air Filters, 6 Filters

Filtrete 16x20x1 Furnace Filter, MPR 300, MERV 5, Clean Living Basic Dust 3-Month Pleated 1-Inch Air Filters, 6 Filters

Filtrete

9.6

Buy it on Amazon

3

Filtrete 14x25x1 Furnace Filter, MPR 1500, MERV 12, Clean Living Basic Dust 3-Month Pleated 1-Inch Air Filters, 6 Filters

Filtrete 14x25x1 Furnace Filter, MPR 1500, MERV 12, Clean Living Basic Dust 3-Month Pleated 1-Inch Air Filters, 6 Filters

Filtrete 14x25x1 Furnace Filter, MPR 1500, MERV 12, Clean Living Basic Dust 3-Month Pleated 1-Inch Air Filters, 6 Filters

Filtrete

9.4

Buy it on Amazon

4

Five Seasons M1-1056 Replacement MERV 11 Premium Box Furnace Filter for Air Cleaner Purification Systems, 1400 CFM, 25.5 x 5.25 x 15.38" (3 Pack)

Five Seasons M1-1056 Replacement MERV 11 Premium Box Furnace Filter for Air Cleaner Purification Systems, 1400 CFM, 25.5 x 5.25 x 15.38" (3 Pack)

Five Seasons M1-1056 Replacement MERV 11 Premium Box Furnace Filter for Air Cleaner Purification Systems, 1400 CFM, 25.5 x 5.25 x 15.38" (3 Pack)

electro-air

9.1

Buy it on Amazon

5

Filtrete 20x25x1 Furnace Filter, MPR 300, MERV 5, Clean Living Basic Dust 3-Month Pleated 1-Inch Air Filters, 6 Filters

Filtrete 20x25x1 Furnace Filter, MPR 300, MERV 5, Clean Living Basic Dust 3-Month Pleated 1-Inch Air Filters, 6 Filters

Filtrete 20x25x1 Furnace Filter, MPR 300, MERV 5, Clean Living Basic Dust 3-Month Pleated 1-Inch Air Filters, 6 Filters

Filtrete

8.8

Buy it on Amazon

OtherRelated productsUp to 5% off

Filtrete Air Filters, MPR 2200 1" Premium Furnace Filters, 4-pack (20 x 25 x 1)

Filtrete Air Filters, MPR 2200 1" Premium Furnace Filters, 4-pack (20 x 25 x 1)

M1-1056 Furnace Filter | Actual Size: 15-3/8" x 25-1/2" x 5-1/4" (16" x 25" x 5") | MERV 11 | Case of 2

M1-1056 Furnace Filter | Actual Size: 15-3/8" x 25-1/2" x 5-1/4" (16" x 25" x 5") | MERV 11 | Case of 2

Filtrete Air Filters, MPR 2200, 16 x 25 x 1-Inch, 3-pack

Filtrete Air Filters, MPR 2200, 16 x 25 x 1-Inch, 3-pack

M1-1056 Furnace Filter | Actual Size: 15-3/8" x 25-1/2" x 5-1/4" (16" x 25" x 5") | MERV 11 | Pack of 1

M1-1056 Furnace Filter | Actual Size: 15-3/8" x 25-1/2" x 5-1/4" (16" x 25" x 5") | MERV 11 | Pack of 1

6

Filtrete 16x24x1 Furnace Filter, MPR 300, MERV 5, Clean Living Basic Dust 3-Month Pleated 1-Inch Air Filters, 6 Filters

Filtrete 16x24x1 Furnace Filter, MPR 300, MERV 5, Clean Living Basic Dust 3-Month Pleated 1-Inch Air Filters, 6 Filters

Filtrete 16x24x1 Furnace Filter, MPR 300, MERV 5, Clean Living Basic Dust 3-Month Pleated 1-Inch Air Filters, 6 Filters

Filtrete

8.5

Buy it on Amazon

7

M1-1056 Replacement Filter | AirPurete AP- M116255 | Actual Size 15 3/8" x 25 1/2" x 5 1/4" (16x25x5) | Pack of 3 | Manufactured in Canada

M1-1056 Replacement Filter | AirPurete AP- M116255 | Actual Size 15 3/8" x 25 1/2" x 5 1/4" (16x25x5) | Pack of 3 | Manufactured in Canada

M1-1056 Replacement Filter | AirPurete AP- M116255 | Actual Size 15 3/8" x 25 1/2" x 5 1/4" (16x25x5) | Pack of 3 | Manufactured in Canada

AirPurete

8.2

Buy it on Amazon

8

United Filter 16x25x5 MERV 11 Pleated Furnace Air Filter Compatible with M1-1056 (3-Pack) (Actual Size:15-3/8 x 25-1/2 x 5-1/4) A/C, HVAC Filters Captures Pollen, Mould, Smoke - Made in Canada

United Filter 16x25x5 MERV 11 Pleated Furnace Air Filter Compatible with M1-1056 (3-Pack) (Actual Size:15-3/8 x 25-1/2 x 5-1/4) A/C, HVAC Filters Captures Pollen, Mould, Smoke - Made in Canada

United Filter 16x25x5 MERV 11 Pleated Furnace Air Filter Compatible with M1-1056 (3-Pack) (Actual Size:15-3/8 x 25-1/2 x 5-1/4) A/C, HVAC Filters Captures Pollen, Mould, Smoke - Made in Canada

United Filter

7.9

Buy it on Amazon

15% off

9

AirThreds 16x25x1 Air Filter for AC HVAC Furnace, Machine Washable & Dryer Friendly MREV 8 Plus Reusable Air Filters

AirThreds 16x25x1 Air Filter for AC HVAC Furnace, Machine Washable & Dryer Friendly MREV 8 Plus Reusable Air Filters

AirThreds 16x25x1 Air Filter for AC HVAC Furnace, Machine Washable & Dryer Friendly MREV 8 Plus Reusable Air Filters

AirThreds

7.6

Buy it on Amazon

10

AprilAire 401 Replacement Furnace Filter for AprilAire 2400, Space-Gard 2400 Whole-House Air Purifiers - MERV 10, 16x25x6 Air Filter (Pack of 2)

AprilAire 401 Replacement Furnace Filter for AprilAire 2400, Space-Gard 2400 Whole-House Air Purifiers - MERV 10, 16x25x6 Air Filter (Pack of 2)

AprilAire 401 Replacement Furnace Filter for AprilAire 2400, Space-Gard 2400 Whole-House Air Purifiers - MERV 10, 16x25x6 Air Filter (Pack of 2)

Aprilaire

7.3

Buy it on Amazon