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Choosing between the best air purifier replacement filter brands mostly comes down to your purifier. Each brand designs filters for its own machines, but they differ in carbon layers, pre-filters and rated life.
We compared the major filter brands on Amazon by filter design, carbon layer, rated life and owner feedback, and picked the standout filter from each.
Quick Answer: The Best Air Purifier Replacement Filter Brands
- Best Brand Overall: Levoit: Levoit Core 300-P Genuine Replacement Filter
- Longest Rated Life: Coway: Coway Airmega AP-1512HH Filter Replacement Set
- Best Carbon: Winix: Genuine Winix 115115 Replacement Filter A
- Best Multi-Pack: Honeywell: Honeywell HEPA Air Purifier Filter R, 3-Pack
- Best Design: Blueair: BLUEAIR Genuine 211+ / 211+ Auto Replacement Filter, AllergenBlock
- Best Seller: GermGuardian: GermGuardian Filter B HEPA Pure Genuine Replacement
- Best H14: Medify: Medify MA-40 Genuine Replacement Filter
Levoit and Coway are the best air purifier replacement filter brands for most homes. Winix is best for carbon, and Medify leads on H14 filtration.
Best Air Purifier Replacement Filter Brands Comparison Table
| Product | Best For | Type | Key Feature | Buy |
|---|---|---|---|---|
| Levoit Core 300-P Genuine Replacement Filter | Best Brand Overall: Levoit | Genuine 3-stage filter | HEPA-grade main filter, AHAM Verifide | Check Price |
| Coway Airmega AP-1512HH Filter Replacement Set | Longest Rated Life: Coway | Genuine 1-year filter pack | True HEPA + 2 carbon pre-filters | Check Price |
| Genuine Winix 115115 Replacement Filter A | Best Carbon: Winix | Genuine HEPA + carbon | True HEPA with carbon filters | Check Price |
| Honeywell HEPA Air Purifier Filter R, 3-Pack | Best Multi-Pack: Honeywell | Genuine HEPA filters | Captures 99.97% of airborne particles (maker claim) | Check Price |
| BLUEAIR Genuine 211+ / 211+ Auto Replacement Filter, AllergenBlock | Best Design: Blueair | Genuine 4-layer filter | 4-layer filtration with carbon | Check Price |
| GermGuardian Filter B HEPA Pure Genuine Replacement | Best Seller: GermGuardian | Genuine HEPA Pure filter | HEPA Pure + carbon pre-filter | Check Price |
| Medify MA-40 Genuine Replacement Filter | Best H14: Medify | Genuine H14 3-stage filter | H14 HEPA, up to 3,000 hours | Check Price |
The Standout Filter From Each Brand
Here is the top filter from each of the best air purifier replacement filter brands.
Levoit Core 300-P Genuine Replacement Filter
1The genuine Levoit Core 300-P filter combines a pre-filter, HEPA-grade main filter and activated carbon in one cylinder.
👍 Pros & Cons
Pros
- Genuine Levoit fit
- Pre-filter, main filter and carbon in one
- Best-selling purifier filter on Amazon
Cons
- Only fits Core 300 series
📄 Detailed Review
- Type: Genuine 3-stage filter
- Fits: Levoit Core 300, Core 300S
- Key feature: HEPA-grade main filter, AHAM Verifide
It is one of the best-selling air purifier filters on Amazon and drops straight into the Core 300 and 300S.
Levoit notes it supports HEPA-grade performance in sleep mode.
Coway Airmega AP-1512HH Filter Replacement Set
2The Coway AP-1512HH set is a 1-year pack with one True HEPA filter and two carbon pre-filters.
👍 Pros & Cons
Pros
- 1-year pack: HEPA + 2 carbon filters
- HEPA lasts about 12 months (maker average)
- Carbon lasts about 6 months
Cons
- Only fits AP-1512HH / 200M
📄 Detailed Review
- Type: Genuine 1-year filter pack
- Fits: Coway AP-1512HH, Airmega 200M
- Key feature: True HEPA + 2 carbon pre-filters
Coway rates the HEPA at about 12 months and each carbon filter at about 6 months on average.
The washable mesh pre-filter on the purifier should be cleaned every few weeks.
Genuine Winix 115115 Replacement Filter A
3The genuine Winix 115115 Filter A pairs a True HEPA filter with carbon filters for the C535, 5300-2, 6300-2 and P300.
👍 Pros & Cons
Pros
- Genuine Winix True HEPA
- Carbon filters for odors and VOCs
- Fits several popular Winix models
Cons
- Carbon filters need more frequent swaps
📄 Detailed Review
- Type: Genuine HEPA + carbon
- Fits: Winix C535, 5300-2, 6300-2, P300
- Key feature: True HEPA with carbon filters
Winix says the HEPA captures 99.99% of airborne allergens, and the carbon reduces VOCs and odors.
Search the part number 115115 to make sure you get the genuine filter.
Honeywell HEPA Air Purifier Filter R, 3-Pack
4Honeywell Filter R is a genuine 3-pack of HEPA filters for HPA100, 200, 300 and 5000 series purifiers.
👍 Pros & Cons
Pros
- Genuine Honeywell HEPA
- 3-pack for one full set
- Fits HPA series purifiers
Cons
- Pre-filters sold separately
📄 Detailed Review
- Type: Genuine HEPA filters
- Fits: Honeywell HPA100/200/300 and 5000 series
- Key feature: Captures 99.97% of airborne particles (maker claim)
Honeywell says the HEPA filters capture 99.97% of common airborne allergens.
Pair them with Honeywell A pre-filters to protect the HEPA.
BLUEAIR Genuine 211+ / 211+ Auto Replacement Filter, AllergenBlock
5The Blueair 211+ AllergenBlock filter uses 4-layer filtration with an integrated carbon layer for the Blue Pure 211+.
👍 Pros & Cons
Pros
- 4-layer AllergenBlock filtration
- Integrated carbon for light odors
- Genuine fit
Cons
- Replace every 6 months (maker guidance)
📄 Detailed Review
- Type: Genuine 4-layer filter
- Fits: Blueair Blue Pure 211+, 211+ Auto
- Key feature: 4-layer filtration with carbon
Blueair recommends replacing it about every 6 months with continuous use.
The washable fabric pre-filter on the purifier is separate.
GermGuardian Filter B HEPA Pure Genuine Replacement
6GermGuardian Filter B is the genuine HEPA Pure filter with an activated carbon pre-filter for AC4825-series purifiers.
👍 Pros & Cons
Pros
- Genuine GermGuardian filter
- Activated carbon pre-filter
- Very popular
Cons
- Check your model list
📄 Detailed Review
- Type: Genuine HEPA Pure filter
- Fits: GermGuardian AC4825, AC4820 and related models
- Key feature: HEPA Pure + carbon pre-filter
It is one of the best-selling purifier filters on Amazon.
GermGuardian lists the compatible models on the box and listing.
Medify MA-40 Genuine Replacement Filter
7The Medify MA-40 filter uses a pre-filter, H14 HEPA and carbon, rated for up to 3,000 hours or 4–5 months.
👍 Pros & Cons
Pros
- H14 HEPA (99.99% at 0.1 micron, maker claim)
- Up to 3,000 hours / 4–5 months
- 3-stage filtration
Cons
- MA-40 only
📄 Detailed Review
- Type: Genuine H14 3-stage filter
- Fits: Medify MA-40
- Key feature: H14 HEPA, up to 3,000 hours
H14 is a step above the common H13 grade in the maker’s rating.
Track hours with the purifier’s filter indicator.
How We Chose the Best Air Purifier Replacement Filter Brands
To choose the best air purifier replacement filter brands, we grouped popular filters by brand and compared design, carbon layer, rated life and owner feedback.
For EPA advice on choosing and maintaining air cleaners and their filters, 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.
How the Filter Brands Compare
Use these points to compare the best air purifier replacement filter brands.
Levoit: 3-in-1 cylinders
Levoit filters combine pre-filter, main filter and carbon in one easy cylinder.
Coway: separate HEPA and carbon
Coway sells HEPA and carbon filters separately, so you can replace carbon more often.
Honeywell: HEPA plus pre-filters
Honeywell pairs long-life HEPA filters with cheaper carbon pre-filters.
True HEPA, HEPA-grade and H13/H14
True HEPA traps at least 99.97% of 0.3-micron particles. H13 and H14 grades are higher ratings. Watch for vague terms like HEPA-type.
Genuine vs. compatible filters
Genuine filters guarantee fit and the maker’s rated performance. Compatible filters cost less, and many fit well, but quality varies; read recent reviews.
Brand Buying Tips
Before you order:
- Buy the brand of your purifier.
- Check for a 1-year pack.
- Compare carbon options.
- Look for a filter reset guide.
Quick answers about the best air purifier replacement filter brands.
Frequently Asked Questions
What are the best air purifier replacement filter brands?
Levoit and Coway are the best air purifier replacement filter brands for most homes, with Winix best for carbon.
Can I use another brand’s filter?
Only filters made to fit your model.
Are genuine filters worth it?
They guarantee fit and rated performance.
Which brand lasts longest?
Coway rates its HEPA at about 12 months on average.
Final Verdict
Our final pick for the best air purifier replacement filter brands is the Levoit Core 300 Genuine Filter. Choose the Coway AP-1512HH Filter Set if you want the longest rated life, or the Winix 115115 Filter A for carbon filtration.
Related Guides
More air purifier guides:
- Best Air Purifier Replacement Filters
- Best Air Purifier for Bedroom
- Air Purifier Cleaning Kit
- Best Air Purifier With Carbon Filter for Bedroom
- Best Air Purifier for Small Bedroom
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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