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Best air filters - April 2026

Last Updated - April 3, 2026

1
Best Choice
16% Off

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Filtrete
16% Off

Filtrete 16x25x4 AC Furnace Air Filter, MPR 1000, MERV 11, Fits Honeywell & Lennox, Allergen Defense, Electrostatic Air Cleaning Filter, 2-Pack (Actual Size 15.88x24.56x4.31 in)

Filtrete

$45.09

$53.99
(16% Off)

More Details
Main highlights
- SMART APP: Use the Filtrete Smart App (iOS or Android) to set 90-, 180- or 365-day reminders to change your air filter
- RECYCLED CONTENT: Verified to contain at least 50% recycled content by GreenCircle Certified, a third-party auditor
- MOST TRUSTED: Filtrete Brand is North America’s most trusted brand of HVAC Filters, based on 2024 Sago US Brand Health Survey of Residential HVAC Air Filters
- MAKE YOUR HOME YOUR SANCTUARY: 1000 MPR + MERV 11 rating helps capture up to 2X more microparticles than MERV alone(2)
- EXCLUSIVE TECHNOLOGY: Designed with exclusive Filtrete 3-in-1 technology to pull in and trap unwanted particles, allowing cleaner air to flow through
- DIFFERENT FROM NOMINAL SIZE: Slightly different from the nominal size, this air filter’s exact dimensions are 15.88 in x 24.56 in x 4.31 in, This item is a 2-pack of 12-month Filtrete Air Filters
- DESIGNED TO FIT: Honeywell and Lennox brand media air cleaners
- CHANGE YOUR FILTER OFTEN: For optimal performance, make sure to change your 4-inch filter at least once every 12 months
- CERTIFIED: This furnace filter is CERTIFIED asthma and allergy-friendly (2) and helps capture dust, lint and other allergens in your household air
$45.09
$53.99 (16% Off)
2
25% Off

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Filtrete
25% Off

Filtrete 16x25x4 AC Furnace Air Filter, MPR 1000, MERV 11, Fits Honeywell & Lennox, Allergen Defense, Electrostatic Air Cleaning Filter, 2-Pack (Actual Size 15.88x24.56x4.31 in)

Filtrete

$40.58

$53.99
(25% Off)

More Details
Main highlights
- SMART APP: Use the Filtrete Smart App (iOS or Android) to set 90-, 180- or 365-day reminders to change your air filter
- RECYCLED CONTENT: Verified to contain at least 50% recycled content by GreenCircle Certified, a third-party auditor
- MOST TRUSTED: Filtrete Brand is North America’s most trusted brand of HVAC Filters, based on 2024 Sago US Brand Health Survey of Residential HVAC Air Filters
- MAKE YOUR HOME YOUR SANCTUARY: 1000 MPR + MERV 11 rating helps capture up to 2X more microparticles than MERV alone(2)
- EXCLUSIVE TECHNOLOGY: Designed with exclusive Filtrete 3-in-1 technology to pull in and trap unwanted particles, allowing cleaner air to flow through
- DIFFERENT FROM NOMINAL SIZE: Slightly different from the nominal size, this air filter’s exact dimensions are 15.88 in x 24.56 in x 4.31 in, This item is a 2-pack of 12-month Filtrete Air Filters
- DESIGNED TO FIT: Honeywell and Lennox brand media air cleaners
- CHANGE YOUR FILTER OFTEN: For optimal performance, make sure to change your 4-inch filter at least once every 12 months
- CERTIFIED: This furnace filter is CERTIFIED asthma and allergy-friendly (2) and helps capture dust, lint and other allergens in your household air
$40.58
$53.99 (25% Off)
3
19% Off

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Aerostar
19% Off

Aerostar 20x20x1 MERV 8 Air Filter, 6 Count, ACTUAL SIZE (19.75 x 19.75 x 0.75), HVAC, Air Conditioning & Furnace Filter Captures Dust, Lint & Pollen (MPR 600 / FPR 5), Made in USA

Aerostar

$32.45

$39.84
(19% Off)

More Details
Main highlights
- UNIVERSAL COMPATIBILITY: Fits most standard residential and commercial HVAC systems with a standard 1-inch filter. Including Carrier, Bryant, Payne & Honeywell. Actual size 19.75 x 19.75 x 0.75 Comparable to Filtrete MPR 600 and Honeywell FPR 5 filters.
- PROUDLY MADE IN THE USA: Manufactured using high-quality materials in American facilities to ensure dependable performance, sustainable production, and cleaner indoor air you can trust.
- LONG-LASTING, DURABLE DESIGN: Heavy-duty beverage board frame with moisture-resistant backing and reinforced pleats provides up to 3 months of reliable filtration. Outlasting traditional fiberglass filters.
- ENHANCED AIRFLOW & EFFICIENCY: Electrostatically charged pleated media traps more particles while allowing smooth air flow. Reducing strain on your HVAC system for consistent performance and energy savings.
- DEPENDABLE MERV 8 (MPR 600 / FPR 5) FILTRATION: Captures up to 90% of airborne particles such as dust, lint, pollen, pet hair, and mold spores to help keep your home’s air cleaner and fresher every day.
$32.45
$39.84 (19% Off)
4
Best Value
27% Off

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Aerostar
27% Off

Aerostar 20x20x1 MERV 8 Air Filter, 6 Count, ACTUAL SIZE (19.75 x 19.75 x 0.75), HVAC, Air Conditioning & Furnace Filter Captures Dust, Lint & Pollen (MPR 600 / FPR 5), Made in USA

Aerostar

$29.20

$39.84
(27% Off)

More Details
Main highlights
- UNIVERSAL COMPATIBILITY: Fits most standard residential and commercial HVAC systems with a standard 1-inch filter. Including Carrier, Bryant, Payne & Honeywell. Actual size 19.75 x 19.75 x 0.75 Comparable to Filtrete MPR 600 and Honeywell FPR 5 filters.
- PROUDLY MADE IN THE USA: Manufactured using high-quality materials in American facilities to ensure dependable performance, sustainable production, and cleaner indoor air you can trust.
- LONG-LASTING, DURABLE DESIGN: Heavy-duty beverage board frame with moisture-resistant backing and reinforced pleats provides up to 3 months of reliable filtration. Outlasting traditional fiberglass filters.
- ENHANCED AIRFLOW & EFFICIENCY: Electrostatically charged pleated media traps more particles while allowing smooth air flow. Reducing strain on your HVAC system for consistent performance and energy savings.
- DEPENDABLE MERV 8 (MPR 600 / FPR 5) FILTRATION: Captures up to 90% of airborne particles such as dust, lint, pollen, pet hair, and mold spores to help keep your home’s air cleaner and fresher every day.
$29.20
$39.84 (27% Off)
5

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Filterbuy

Filterbuy 14x25x1 Air Filter MERV 8 Essential Dust & Allergy Defense (4-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement, Made in USA (Actual Size: 13.50 x 24.50 x 0.75)

Filterbuy

$34.96

More Details
Main highlights
- UNIVERSAL COMPATIBILITY: 14x25x1 replacement air filters for your furnace, air conditioner, or heat pump enhance HVAC system efficiency and support a healthy lifestyle (actual size: 13.50" x 24.50" x 0.75")
- SUPERIOR CONSTRUCTION: Easy installation beverage board frames with dual wire backing outperform flimsy cardboard designs by improving durability, preventing warping, and resisting extreme temperatures
- MERV 8 PERFORMANCE: Protect your home or business from pollen, lint, mold, and more with MERV 8 synthetic media (comparable with MPR 700 & FPR 5) that captures 90% of dust without restricting air flow
- MADE IN THE USA: Built with industrial-grade, recyclable materials and proudly manufactured 100% in the United States for dependable indoor air quality that is trusted by millions of homes
- LONG-LASTING FILTRATION: Electrostatically charged media with 14 pleats per foot traps more microscopic particles and lasts 3x longer than fiberglass models (replace every 90 days for optimal performance)
$34.96

Best air filters - April 2026

Filtrete 16x25x4 AC Furnace Air Filter, MPR 1000, MERV 11, Fits Honeywell & Lennox, Allergen Defense, Electrostatic Air Cleaning Filter, 2-Pack (Actual Size 15.88x24.56x4.31 in)

Filtrete 16x25x4 AC Furnace Air Filter, MPR 1000, MERV 11, Fits Honeywell & Lennox, Allergen Defense, Electrostatic Air Cleaning Filter, 2-Pack (Actual Size 15.88x24.56x4.31 in)

Aerostar 20x20x1 MERV 8 Air Filter, 6 Count, ACTUAL SIZE (19.75 x 19.75 x 0.75), HVAC, Air Conditioning & Furnace Filter Captures Dust, Lint & Pollen (MPR 600 / FPR 5), Made in USA

Aerostar 20x20x1 MERV 8 Air Filter, 6 Count, ACTUAL SIZE (19.75 x 19.75 x 0.75), HVAC, Air Conditioning & Furnace Filter Captures Dust, Lint & Pollen (MPR 600 / FPR 5), Made in USA

Filterbuy 14x25x1 Air Filter MERV 8 Essential Dust & Allergy Defense (4-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement, Made in USA (Actual Size: 13.50 x 24.50 x 0.75)

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Filterbuy 20x20x1 Air Filter MERV 8 Essential Dust & Allergy Defense (6-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement, Made in USA (Actual Size: 19.50 x 19.50 x 0.75)

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Filtrete 14x30x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 2 Pack (Actual Size 13.81 x 29.81 x 0.81 in)

Filtrete 14x30x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 2 Pack (Actual Size 13.81 x 29.81 x 0.81 in)

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