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The best air purifier filter depends on what you want to remove: HEPA layers for fine particles, activated carbon for odors, or a MERV 13 furnace filter for the whole home.
We compared 8 filters across portable purifiers and HVAC systems by filter type, rated life and fit.
Quick Answer: The Best Air Purifier Filter
- Best HEPA + Carbon Set: Genuine Winix 116130 Replacement Filter H for 5500-2 Air Purifier
- Best for Mid-Size Rooms: Levoit Vital 200S-P Air Purifier Replacement Filter, Genuine
- Best Furnace Upgrade: Filtrete 20x20x1 Air Filter, MERV 13, MPR 1900, 2 HVAC Filters
- Best for Pet Homes: Levoit Core 300-P Air Purifier Replacement Filter, Pet Allergy
- Best H13 Option: Medify MA-25 Genuine Replacement Filter Set
- Best Whole-Home: AprilAire 213 Replacement Filter for AprilAire Whole-House Air Purifiers, MERV 13, 20x25x4, 2-Pack
- Best Small Room: BLUEAIR Genuine 411 Series Air Purifier Replacement Filter, Everyday
- Best HVAC Odor Filter: Nordic Pure 20x20x1 Pleated MERV 13 Plus Carbon Air Filters 6 Pack
The Genuine Winix 116130 Filter H is our best air purifier filter for HEPA plus carbon. The Levoit Vital 200S-P Genuine Filter suits mid-size rooms, and the Filtrete 20x20x1 MERV 13 (MPR 1900) upgrades a furnace.
Best Air Purifier Filter Comparison Table
| Product | Best For | Type | Key Feature | Buy |
|---|---|---|---|---|
| Genuine Winix 116130 Replacement Filter H for 5500-2 Air Purifier | Best HEPA + Carbon Set | True HEPA + carbon set | True HEPA (99.97% at 0.3 micron) + AOC carbon | Check Price |
| Levoit Vital 200S-P Air Purifier Replacement Filter, Genuine | Best for Mid-Size Rooms | HEPA-grade + carbon | 99.97% at 0.3 ฮผm main filter + carbon | Check Price |
| Filtrete 20x20x1 Air Filter, MERV 13, MPR 1900, 2 HVAC Filters | Best Furnace Upgrade | 1-inch MERV 13 HVAC filter | MERV 13, about 3-month life | Check Price |
| Levoit Core 300-P Air Purifier Replacement Filter, Pet Allergy | Best for Pet Homes | HEPA-grade + carbon | Pre-filter, main filter, activated carbon | Check Price |
| Medify MA-25 Genuine Replacement Filter Set | Best H13 Option | H13 HEPA + carbon | Pre-filter, H13 HEPA, activated carbon | Check Price |
| AprilAire 213 Replacement Filter for AprilAire Whole-House Air Purifiers, MERV 13, 20x25x4, 2-Pack | Best Whole-Home | 4-inch MERV 13 media filter | 20x25x4, about 12-month life | Check Price |
| BLUEAIR Genuine 411 Series Air Purifier Replacement Filter, Everyday | Best Small Room | Particle + carbon filter | Particle + activated carbon, small-room size | Check Price |
| Nordic Pure 20x20x1 Pleated MERV 13 Plus Carbon Air Filters 6 Pack | Best HVAC Odor Filter | 1-inch MERV 13 + carbon | MERV 13 pleats + carbon panel | Check Price |
The 8 Best Air Purifier Filters
Each pick below was compared on filter type, room fit, carbon content, change interval and value.
Genuine Winix 116130 Replacement Filter H for 5500-2 Air Purifier
1Filter H is the genuine set for the Winix 5500-2, pairing a True HEPA layer rated 99.97% at 0.3 microns with Winixโs AOC carbon filter.
๐ Pros & Cons
Pros
- Genuine Winix fit for the 5500-2
- AOC carbon layer for odors and VOCs
- Winix rates it for about one year
Cons
- Fits the 5500-2 family only
๐ Detailed Review
- Type: True HEPA + carbon set
- Includes: Filter set
- Key feature: True HEPA (99.97% at 0.3 micron) + AOC carbon
Winix says the filters last about one year; change them when the check-filter indicator turns on.
It is our pick for a HEPA plus carbon set.
Levoit Vital 200S-P Air Purifier Replacement Filter, Genuine
2Levoitโs genuine Vital 200S-P filter removes 99.97% of particles down to 0.3 ฮผm, according to Levoit, and adds an activated carbon layer.
๐ Pros & Cons
Pros
- Works with Levoitโs filter-life algorithm
- Washable pre-filter on the purifier
- Carbon layer for gases and odors
Cons
- Vital 200S family only
๐ Detailed Review
- Type: HEPA-grade + carbon
- Includes: Filter
- Key feature: 99.97% at 0.3 ฮผm main filter + carbon
Levoit notes its filter-life indicator is built around genuine filters.
It is our mid-size room pick.
Filtrete 20x20x1 Air Filter, MERV 13, MPR 1900, 2 HVAC Filters
3Filtreteโs MPR 1900 filter is a 1-inch MERV 13 pleated filter in the common 20x20x1 size.
๐ Pros & Cons
Pros
- MERV 13 rating
- Common 20x20x1 size
- About 3 months per filter
Cons
- Check your system can handle MERV 13
๐ Detailed Review
- Type: 1-inch MERV 13 HVAC filter
- Includes: 2 filters
- Key feature: MERV 13, about 3-month life
Filtrete rates it for about 3 months and markets it for allergens and fine particles.
It is our pick for upgrading a furnace filter.
Levoit Core 300-P Air Purifier Replacement Filter, Pet Allergy
4The Pet Allergy version of Levoitโs Core 300-P filter targets hair, dander and pet odors with a pre-filter, a main filter and an activated carbon layer.
๐ Pros & Cons
Pros
- Made for homes with pets
- Three-stage design
- Genuine Levoit fit
Cons
- Core 300 family only
๐ Detailed Review
- Type: HEPA-grade + carbon
- Includes: Filter
- Key feature: Pre-filter, main filter, activated carbon
Levoit says the main filter removes 99.97% of particles from 0.1 to 0.3 ฮผm.
It is our pet-home pick.
Medify MA-25 Genuine Replacement Filter Set
5Medifyโs MA-25 set stacks a pre-filter, an H13 HEPA layer and activated carbon.
๐ Pros & Cons
Pros
- H13 HEPA rating
- Three-stage set
- Up to 2,500 hours (maker claim)
Cons
- Shorter life than some
๐ Detailed Review
- Type: H13 HEPA + carbon
- Includes: Filter set
- Key feature: Pre-filter, H13 HEPA, activated carbon
Medify rates the set for up to 2,500 hours, or about 3 to 4 months of continuous use.
It is a compact H13 option.
AprilAire 213 Replacement Filter for AprilAire Whole-House Air Purifiers, MERV 13, 20x25x4, 2-Pack
6The AprilAire 213 is a 20x25x4 MERV 13 media filter for AprilAire whole-house air purifier cabinets.
๐ Pros & Cons
Pros
- MERV 13 rating
- Deep 4-inch media
- About 12-month life (maker claim)
Cons
- Needs an AprilAire cabinet
๐ Detailed Review
- Type: 4-inch MERV 13 media filter
- Includes: 2 filters
- Key feature: 20x25x4, about 12-month life
AprilAire rates it for about 12 months and says it adds little strain on the HVAC system.
It is our whole-home pick.
Check AprilAire 213 MERV 13 Whole-House Filter Price on Amazon
BLUEAIR Genuine 411 Series Air Purifier Replacement Filter, Everyday
7Blueairโs genuine 411 filter fits the Blue Pure 411, 411+ and 411 Auto.
๐ Pros & Cons
Pros
- Genuine Blueair fit
- Particle plus carbon layers
- Small and easy to swap
Cons
- Small-room purifier only
๐ Detailed Review
- Type: Particle + carbon filter
- Includes: Filter
- Key feature: Particle + activated carbon, small-room size
It combines particle filtration with activated carbon for dust, allergens and light odors.
It is our small-room filter pick.
Nordic Pure 20x20x1 Pleated MERV 13 Plus Carbon Air Filters 6 Pack
8Nordic Pureโs MERV 13 Plus Carbon filter adds an activated charcoal panel to pleated MERV 13 media.
๐ Pros & Cons
Pros
- MERV 13 plus a carbon layer
- Six-pack
- Made in the USA
Cons
- Actual size is 19.5 x 19.5 x 0.75 in
๐ Detailed Review
- Type: 1-inch MERV 13 + carbon
- Includes: 6 filters
- Key feature: MERV 13 pleats + carbon panel
Its actual size is 19.5 x 19.5 x 0.75 inches, so measure your slot.
It is our HVAC odor pick.
Check Nordic Pure MERV 13 Plus Carbon, 6-Pack Price on Amazon
How We Chose the Best Air Purifier Filter
To choose the best air purifier filter, we compared popular HEPA, carbon, pre-filter and MERV 13 HVAC filters on Amazon by filter type, rated life, fit and owner feedback.
EPA says to match CADR to room size, use activated carbon for gases and choose at least MERV 13 for HVAC filters where the system allows; see the EPA Guide to Air Cleaners in the Home.
Product details in this guide are based on manufacturer specifications and verified owner feedback. Read more on our How We Test page.
Buying Guide: Choosing an Air Purifier Filter
Keep these points in mind before you buy.
HEPA, carbon or pre-filter
HEPA layers catch fine particles, activated carbon targets gases and odors, and pre-filters catch hair and lint so the main filter lasts longer. EPA notes most filters target either particles or gases, so many purifiers use two.
Match CADR to the room
EPAโs sizing chart suggests a CADR of at least 65 for 100 sq ft, 130 for 200 sq ft, 195 for 300 sq ft and 260 for 400 sq ft, based on an 8-foot ceiling.
MERV 13 for the HVAC
EPA suggests a furnace or HVAC filter rated at least MERV 13, or as high as your system can handle. HVAC filters only work while the system runs, often less than 25% of the time in heating and cooling seasons.
Carbon needs mass
EPA says activated carbon filters can be effective for gases if there is a large amount of carbon; there is no widely used rating for gas removal, and CADR covers particles only.
Genuine or compatible
Match the exact model and filter part number. Some brands, like Levoit, say their filter-life indicators are built around genuine filters.
Change it on time
EPA notes all filters need regular replacement, and a dirty, overloaded filter will not work well. Follow the makerโs interval and the purifierโs indicator.
Filter Care Tips
Keep filters working:
- Write the install date on the frame.
- Vacuum the pre-filter often.
- Run the purifier continuously.
- Fix odor sources first.
Quick answers about the best air purifier filter.
Frequently Asked Questions
What is the best air purifier filter?
The best air purifier filter is the genuine Winix Filter H for HEPA plus carbon, with the Levoit Vital 200S-P filter for mid-size rooms and Filtrete MERV 13 for furnaces.
What filter type removes dust and pollen?
A HEPA or HEPA-grade layer, per maker ratings.
What removes odors?
Activated carbon; EPA notes more carbon works better.
Should I upgrade my furnace filter?
EPA suggests at least MERV 13 if your system can handle it.
How often should I change filters?
Follow the maker and the indicator; dirty filters work poorly.
Final Verdict
Our final pick for the best air purifier filter is the Genuine Winix 116130 Filter H. Choose the Levoit Vital 200S-P Genuine Filter if you want mid-size rooms, or the Filtrete 20x20x1 MERV 13 (MPR 1900) to upgrade a furnace.
Related Guides
More air filter guides:
- Best Air Purifier Replacement Filter
- Best Air Purifier for Allergies
- Best Air Purifier Replacement Filter Carbon Filter
- Best Air Purifier for Allergies for Home
Product details are based on manufacturer specifications at the time of writing. Prices and availability change often, so check Amazon for the latest price.
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