Best Furnace Filters for Air Purifier of 2026

Howard Chester Avatar
Howard Chester
Last Updated: Jan 20, 2026

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Furnace filters for air purifiers are an essential tool for maintaining a clean and healthy indoor environment. These filters help to remove harmful particles and pollutants from the air, including allergens, dust, and pet dander. They also improve the overall efficiency of the HVAC system, reducing energy costs and extending the lifespan of the equipment. Furnace filters for air purifiers come in a variety of sizes and materials, including HEPA filters, electrostatic filters, and activated carbon filters. They are easy to install and require minimal maintenance, making them an ideal choice for homeowners looking to improve their indoor air quality.

At a Glance: Our Top Picks

Aprilaire 213 Replacement Filter Cover #TOP 1
Aprilaire 213 Replacement Filter
ftb score rating icon 9.8
Aprilaire 210 Replacement Furnace Air Filter Cover #TOP 2
Aprilaire 210 Replacement Furnace Air Filter
ftb score rating icon 9.7
AprilAire 310 Replacement Filter for Whole House Air Purifiers Cover #TOP 3
AprilAire 310 Replacement Filter for Whole House Air Purifiers
ftb score rating icon 9.5

Top 7 Furnace Filters for Air Purifier

#TOP 1

Aprilaire 213 Replacement Filter

White
26.6" x 4" x 20.6"
Aprilaire 213 Replacement Filter Cover
AprilAire 213 Replacement Filter for AprilAire Whole House Air Purifiers - MERV 13, Healthy Home Allergy, 20x25x4 Air Filter (Pack of 1)

Keep your home's air clean and healthy with the Aprilaire 213 Filter. Designed and manufactured in the USA by Aprilaire, a leader in indoor air quality solutions, this genuine replacement air filter is compatible with various Aprilaire Air Purifier models. It effectively traps common allergens like dust, pollen, mold spores, bacteria, pet dander, and dust mites, thanks to its MERV 13 filter rating. The patented Aprilaire Self-Seal Technology ensures better performance by minimizing air bypass. Installing the filter is a breeze with the easy-to-use Aprilaire Interlock Rail System. Plus, with its support for the American Lung Association, you can contribute to improving lung health and preventing lung disease. Protect your family's respiratory health with the Aprilaire 213 Filter.

What We Like
Easy installation
Excellent dust reduction
Long-lasting performance
Perfect fit
Good value
#TOP 2

Aprilaire 210 Replacement Furnace Air Filter

White
26.6" x 4" x 20.6"
Aprilaire 210 Replacement Furnace Air Filter Cover
AprilAire 210 Replacement Filter for AprilAire Whole House Air Purifiers - MERV 11, Clean Air & Dust, 20x25x4 Air Filter (Pack of 1)

The Aprilaire 210 Replacement Furnace Air Filter is designed and manufactured in the USA, and it's a genuine replacement for Aprilaire Air Purifier Models. The MERV 11 filter removes airborne particles such as dust, pollen, mold, spores, bacteria, and pet dander, which helps to minimize the amount of vacuuming and dusting needed. Additionally, the patented Aprilaire Self-Seal Technology improves filter performance, and the unique Aprilaire Interlock Rail System makes installation quick and easy. Aprilaire is also a proud partner of the American Lung Association.

What We Like
Long filter lifespan
Improved air quality
Easy installation
Effective dust collection
Perfect system fit
#TOP 3

AprilAire 310 Replacement Filter for Whole House Air Purifiers

White
21.4" x 4" x 18.9"
AprilAire 310 Replacement Filter for Whole House Air Purifiers Cover
AprilAire 310 Replacement Filter for AprilAire Whole House Air Purifiers - MERV 11, Clean Air & Dust, 20x20x4 Air Filter (Pack of 1)

The AprilAire 310 Replacement Filter is designed and manufactured in the USA to optimize the performance of AprilAire Air Purifier Models: 1310, 2310, 3310, or 4300. It removes airborne particles, including dust, pollen, mold, spores, bacteria, and pet dander, to help you vacuum and dust less often. The patented AprilAire Self-Seal Technology minimizes air bypassing the filter, resulting in better performance. Plus, it's easy to install using the unique AprilAire Interlock Rail System.

What We Like
Removes airborne particles to help you vacuum and dust less often
Patented AprilAire Self-Seal Technology for better performance
Easy to install using the unique AprilAire Interlock Rail System
#TOP 4

AprilAire 216 Replacement Filter

216 A1
White
26.6" x 4" x 20.6"
AprilAire 216 Replacement Filter Cover
AprilAire 216 Replacement Filter for AprilAire Whole House Air Purifiers - MERV 16, Allergy, Asthma, & Virus, 20x25x4 Air Filter (Pack of 1)

Upgrade the performance of your AprilAire Air Purifier with the AprilAire 216 Filter. This genuine replacement filter is designed and manufactured in the USA by AprilAire, a leader in indoor air quality solutions. It captures up to 98% of virus-size airborne particles, ensuring cleaner and healthier air in your home. The MERV 16 filter also removes up to 99% of airborne allergens and asthma triggers, such as dust, pollen, mold spores, pet dander, and dust mites. The patented AprilAire Self-Seal Technology minimizes air bypassing the filter, resulting in better performance. Installation is a breeze with the AprilAire Interlock Rail System - simply unpack, slide in, and close the door. Plus, with a nominal size of 20 x 25 x 4 inches, finding the correct replacement filter is easy. Choose the AprilAire 216 Filter and breathe easier knowing you're supporting the American Lung Association's mission to improve lung health.

What We Like
High filtration efficiency
Easy installation
Supports lung health
#TOP 5

AprilAire 110 Replacement Filter

White
AprilAire 110 Replacement Filter Cover
AprilAire 110 Replacement Filter for AprilAire Whole House Air Purifiers - MERV 11, Clean Air & Dust, 16x20x4 Air Filter (Pack of 1)

AprilAire 110 Filter is a genuine replacement air filter designed by AprilAire, the leader in indoor air quality solutions. It is specifically optimized for use with the AprilAire Air Purifier Model: 1110. With its MERV 11 filtration, this filter effectively removes airborne particles such as dust, pollen, mold spores, bacteria, and pet dander, helping you maintain cleaner air in your home. By preventing these particles from settling on your furniture and flooring, it also reduces the need for frequent vacuuming and dusting. The patented AprilAire Self-Seal Technology ensures better performance by minimizing air bypassing the filter. Installing the AprilAire 110 Filter is a breeze with the unique AprilAire Interlock Rail System, requiring no assembly or additional reinforcements. This filter also supports the mission of the American Lung Association, making it a proud partner.

What We Like
Genuine and optimized
Effective MERV 11 filtration
Reduces need for frequent cleaning
#TOP 6

2 Pack, 410 Replacement Air Filter, Nominal Size: 16x25x4, Actual Size: 16.04"x27.91"x3.91" HVAC Furnace Filter

Luxunik
2 Pack, 410 Replacement Air Filter, Nominal Size: 16x25x4, Actual Size: 16.04"x27.91"x3.91" HVAC Furnace Filter Cover
2 Pack, 410 Replacement Air Filter, Nominal Size: 16x25x4, Actual Size: 16.04"x27.91"x3.91" HVAC Furnace Filter, Compatible with AprilAire Models 1410, 1610, 2410, 2416, 3410, 4400, MERV 11

Features
Nominal Size: 16 X 25 X 4 Inches – This Is An Industry-Standard Size Used To Help You Quickly Identify The Right Replacement Filter. Note: This Is Not The Actual Size. Actual Size: 16.04"x27.91"x3.91" Inches. Please Check The Actual Dimensions Before Purchasing To Ensure A Proper Fit.
Compatible Models: 410 Furnace Air Filter Compatible With AprilAire Whole House Air Purifiers Models: 1410, 1610, 2410, 2416, 3410, 4400. NOTE: Not Fit For 1413 Upgrade Kit (Model 2400, 2140).
Latest US Patent Design: Four Foldable Metal Rods Significantly Enhance The Stability Of Support During The Replacement Of The Filter Element. The Four Anti-Friction Pads At The Top And Bottom Prevent Friction Between The Filter Element And The Furnace Body During Installation. No Complicated Assembly And Tools Required, Simplifying Your Installation Process.
High-Efficiency Filtration: Engineered With Multi-Layer Collapsible Fabric To Deliver Superior Air Filtration Without Restricting Airflow. Enhances System Performance And Energy Efficiency, Helping Create A Cleaner, More Comfortable Home.
Easy To Install: Just Unfold The Filter, Secure The Metal Bracket, And Slide It Directly Into The Furnace—no Tools Required. Easy To Install Within 1 Minute.
#TOP 7

2 Pack 210 Replacement Air Filter, MERV 11,Actual Size: 20.47"x25.6"x3.94", Nominal Size: 20''x25''x4'', HVAC Furnace Filter

UNIREACH
2 Pack 210 Replacement Air Filter, MERV 11,Actual Size: 20.47"x25.6"x3.94", Nominal Size: 20''x25''x4'', HVAC Furnace Filter Cover
2 Pack 210 Replacement Air Filter, MERV 11,Actual Size: 20.47"x25.6"x3.94", Nominal Size: 20''x25''x4'', HVAC Furnace Filter, Compatible with AprilAire Models 1210, 1620, 2210, 2216, 3210, 4200

Features
Product Size: 20" X 25" X 4" (Industry Standard). Please Note That This Is A Common Size Label And Is Not The Actual Dimension. The Actual Size Of 210 Filter Is 20.47" X 25.6" X 3.94". To Ensure A Proper Fit, Check The Actual Dimensions Before Purchasing.
Perfect Fit: 210 Replacement Filter Is A Perfect Fit For AprilAire Whole House Air Purifiers, Including Models 1210, 1620, 2210, 2216, 3210 And 4200. Please Note: This HAVC Filter Will Not Work With The 1213 Upgrade Kit (Models 2120, 2200).
Unique Design, Easy To Install : This Patented 210 Air Filter Features Four Foldable Metal Bars For Strong Support, Anti-Friction Pads To Protect Your Furnace.
High-Efficiency Filtration: Multi-Layer Pleated Media Captures Captures Airborne Particles Without Blocking Airflow. Keeps Your System Running At Peak Performance, Improves Energy Efficiency, And Delivers Cleaner, Healthier Air For Your Home.
Easy 1-Minute Installation: Install Your New Furnace Filter In Under A Minute—just Unfold, Secure The Metal Bars, And Slide It Into Your Furnace. Tool-Free.
Buying Guide Image

Frequently Asked Questions (FAQs)

1. Do furnace filters purify the air?

But a good air filter keeps your furnace and central air conditioner humming along by protecting the mechanicals from dust and debris. And the best filters trap indoor pollutants such as dust, pet dander, and pollen, helping to clean the air in your home.

2. Are furnace filters the same as air filters?

While many people refer to air conditioning and furnace filters as if they're different, this is not the case. Your furnace and your air conditioning system use the exact same filter, so there's no need to worry about purchasing separate filters for each piece of equipment.

3. Are HEPA filters available for furnaces?

A high efficiency particulate air (HEPA) filter is the top of the line in air filtration and removes more than 99% of particles that are 0.3 microns or larger in size....Contiguous U.S.

4. Is MERV 12 too high?

While the highest MERV ratings are the most effective for air quality, they can harm your HVAC system. A higher MERV rating means a higher resistance, which means less airflow....Learn how to maintain your. home and HVAC this fall.Filter-Monster Replacement Compatible with Bryant / Carrier Infinity 25" Merv 15 Air Purifier CartridgeFiltrete 1-in Basic Pleated Air FilterFilterbuy Air Filter Pleated Replacement HVAC AC Furnace FiltersFiltrete Allergen FilterHoneywell FC100A1029 Media Air FilterFiltrete 1550 Allergen Reduction FilterNordic Pure 16x25x5 Honeywell Replacement AC Furnace Air Filters MERV 12, Box of 2Honeywell Air FilterFiltrete 1500 MPR Smart Air Filter 20 x 25 inAprilaire Air FilterAerostar MERV Pleated Air FilterBestair Air FilterBestair Pro Sgmpr-2 for Aprilaire #201 Filter (Pack of 2)Honeywell POPUP Filter3M Filtrete Micro Allergen Air Filter (9806DC-6), 15" x 20" x 1"Filtrete Allergen Defense Micro Particle Reduction HVAC Furnace Air FilterHoneywell 4 Inch High Efficiency Collapsible Air Filter CF2200A1005/WAprilaire 501 FilterNordic Pure 16x25x4 MERV 10 Pleated AC Furnace Air Filter 1 Pack

Editor's Notes

During our furnace filter for air purifier research, we found 24 furnace filter for air purifier products and shortlisted 7 quality products. We collected and analyzed 227,267 customer reviews through our big data system to write the furnace filters for air purifier list. We found that most customers choose furnace filters for air purifier with an average price of $50.34.

The furnace filters for air purifier are available for purchase. We have researched hundreds of brands and picked the top brands of furnace filters for air purifier, including Aprilaire, Luxunik, UNIREACH. The seller of top 1 product has received honest feedback from 384 consumers with an average rating of 4.7.

Written by
Howard Chester Avatar

Howard Chester is an architect from New York who holds a master's degree in architectural design, his passions for interior design and home improvement contribute to his extensive knowledge of all things furniture and home goods. Howard Chester Specializes in various architectural and interior design projects. He often publishes articles related to decoration on key websites and interior design magazines.