The Best air purifier filters of 2021 – Top 10 and Rankings

If you’re looking for air purifier filters but don’t know which one is the best, we recommend the first out of 10 air purifier filters in this article. Check out how we decide after hours of researching and comparing dozens of items on the market.

SaleRank No. #1
Germ Guardian FLT4825 HEPA GENUINE Air Purifier Replacement Filter B for GermGuardian AC4300BPTCA, AC4900CA, AC4825, AC4825DLX, AC4850PT, CDAP4500BCA, CDAP4500WCA and More, 1-Pack
  • Why buy genuine: genuine germguardian replacement parts are essential for maintaining product performance, as your purifier is only as powerful and effective as the filter you put inside
  • Hassle free fit: germguardian replacement parts are designed for a particular unit style and fit like a glove. The fit of your new filter may vary from the original due to change in materials for a less snug fit. This WON'T affect filter performance
  • Breathe fresh and cleaner air: a HEPA filter, ACtivated charcoal layer, and pre filter work to help improve indoor air quality
  • Air purifier models: replACement filter for germ guardian air purifier models AC4300bptca, AC4900ca, AC4825, AC4825dlx, AC4850pt, cdap4500bca, cdap4500wca, AC4820, pure guardian model ap2200ca and blACk + decker bxap148
  • HEPA filter: reduces up to 99. 97% of dust, pollen, pet dander, mold spores, and allergens as small as . 3 microns from the air
Rank No. #2
LEVOIT Air Purifier for Home Allergies and Pets Hair Smokers in Bedroom, H13 True HEPA Filter, 24db Filtration System Cleaner Odor Eliminators, Remove 99.97% Dust Smoke Mold Pollen, Core 300, White
  • High Performance: Enjoy fresh air in 12 minutes with the Core 300 True HEPA Air Purifier. Featuring VortexAir Technology and 360° air intake, the Core 300 refreshes the air 5x per hour in rooms as large as 219 ft² / 20 m²
  • Find Relief: Ease sneezing, congestion, and other allergy symptoms caused by airborne contaminants. The H13 True HEPA Filter works alongside the Pre-Filter and High-Efficiency Activated Carbon Filter to capture 99.97% of airborne particles 0.3 microns in size, such as dust, smoke, pollen, odor
  • Multiple Filter Choices: Choose from a variety of replacement filters to best meet your needs. The Toxin Absorber Filter specializes in wildfire, smoke and VOCs. And if you’re a pet owner, try the Pet Allergy Filter to capture pet dander and absorb unpleasant odors.
  • Most Silent Air Cleaner: Choose Sleep Mode at night and then forget all about your air purifier while you sleep. QuietKEAP Technology reduces noise levels to a near-silent 24dB, ensuring the Core 300 won’t get in the way of a good night’s rest.
  • Sleek Design: The Core 300 practically serves your home while blending in with your decor. Its award-winning design (Red Dot, 2020) and modern white finish help your air purifier fit anywhere in your home/bedroom/room.
Rank No. #3
LEVOIT Air Purifier LV-H132 Replacement Filter, H13 True HEPA and Activated Carbon Filters Set, LV-H132-RF (2 Pack)
  • Use only genuine LEVOIT lv-h132 replacement filters to keep your air purifier at its best working condition and capacity
  • Fine preliminary, H13 true hepa filter and activated carbon filter. It removes 99.97% of dust, pollen, smoke, odor, mold spores, and pet dander
  • Perfect for those who are sensitive to the surrounding air quality. It will not release hazardous substances or ozone
  • Filters are sealed to protect their lifetime. It is recommended to replace air filters every 6 months. Remove filters from plastic packaging before placing them into air purifier
  • 100Percent satisfaction . If you need additional assistance, contact the helpful LEVOIT support
Rank No. #4
LEVOIT Core 300 Air Purifier Replacement Filter (Original Filter)
  • Protect Your Investment: Search for B07RSZSYNC or Core300-RF for the genuine Levoit replacement filter to ensure what you're buying is worthy of your investment
  • Core 300 Replacement Filter: Exclusively designed for Levoit Core 300 air purifier to maintain its peak performance. With cost-effective price to save much cost for your all year round air cleaning need. It is recommended to replace filters for every 6-8 months
  • Japan-imported True HEPA Technology: Adopt True HEPA Filter with H13 grade which meets the High-Efficiency Particulate Air (HEPA) standard. It filters the fine airborne particles such as pet dander, dust mites, and pollen, effectively helping improve allergies
  • Trap Large Particle: Ultra-fine Nylon Pre-Filter captures large particles such as dust, lint, fibers, hair, and pet fur, also helpful to maximize the filter’s life
  • Trap Household Odors: High-grade granular activated carbon filter physically absorbs unwanted odors and fume, such as smoke, cooking smells and pet odors, as well as filtering volatile organic compounds (VOCs), ideal for households with pets, cooking and smokers
Rank No. #5
DerBlue 4pcs Replacement HEPA Filters for Holmes AER1 Type Total Air Filter,HAPF30AT for Purifier HAP242-NUC
  • 1. Material:Be made up of high quality filter paper and durable plastic frame,keeping it working for a long time. Product size: 10 x 4.6 x 1.2 inch.
  • 2. Evidently improves the air quality. It also helps deodorize any unfavorable household smell.
  • 3. Compatible with Holmes Units: CAP531-U, CAP529-U, HAP240, HAP242, HAP412, HAP422, HAP424, HAP706, HAP716, HAP9240, HAP9242, HAP9412, HAP9414, HAP9422, HAP9424;Compatible with Bionaire Units: BAP260, BAP815, BAP825, BAP9200, BAP9700, BAP520.
  • 4. For best results change every 4 months.
  • 5. Package:you'll get 4pcs Filter for the air purifier .Spare filter allows your air purifier not to wait
Rank No. #6
Honeywell True HEPA Filter Value Combo Pack for HPA300 Series Air Purifier, Grey, Model: HRF-ARVP300
  • AIR PURIFIER FILTER KIT: It's the No.1 filter recommended by allergists. This kit includes 4 Pre-Filters (Type A) & 3 HEPA Filters (Type R). These filters fit model series: HA/HPA300, HPA304, HPA8350.
  • 2 TYPES OF AIR FILTERS: The Pre-Filter reduces odors with activated carbon, & the HEPA filter helps capture up to 99.97% of particles 0.3 microns & larger in the air that passes through the filter.
  • FILTER & CIRCULATE: Honeywell Air Purifiers filter & circulate air in the stated room size up to 5 times an hour. Breathe easy knowing the air in your home is fresher & cleaner with fewer allergens.
  • HONEYWELL QUALITY REPLACEMENT FILTERS: For best performance use only genuine Honeywell Replacement filters. Each air purifier's performance is tested as a system with the filters for best efficiency.
  • HONEYWELL QUALITY: Improve your air quality & neutralize odors for a clean & healthy breathing experience year round with Honeywell replacement filters for air cleaners, purifiers & humidifiers.
SaleRank No. #7
GermGuardian Air Purifier Filter FLT5000 Genuine HEPA Replacement Filter C for AC5000, AC5000E, AC5250PT, AC5350B, AC5350BCA, AC5350W, AC5300B Germ Guardian Air Purifiers
  • Why buy genuine: Each filter or bulb is specifically designed for a particular air purifier, and genuine germ guardian replacement parts fit like a glove and are essential for maintaining the performance of your air purifier
  • Hassle free fit: Genuine germ guardian replacement parts fit like a glove and are designed for a particular unit style
  • Breathe fresh and cleaner air: A true HEPA filter, activated charcoal layer, and pre filter work to help improve indoor air quality
  • Air purifier models: Replacement filter for germ guardian air purifier models AC5000, AC5000e, AC5250pt, AC5350b, AC5350bca, AC5350w, AC5300b, cdap5500bca, cdap5500wsp, black + decker model bxap040, bxap250, and Lowe’s idylis model IAP gg 125
  • True HEPA filter: Reduces up to 99.97% of dust, pollen, pet dander, mold spores, and allergens as small as .3 microns from the air
Rank No. #8
Holmes HAPF300AHD-U4R-2 Air Purifier Filter, 2 Count
  • 99.97 percent EFFICIENT AT REMOVING ALLERGENS: True HEPA Air Filter is 99.97 percent efficient in removing airborne allergens as small as 0.3 microns
  • 2-PACK: Includes 2 replacement filters
  • MAXIMIZE COMFORT AND FRESHNESS: Made of Cotton
  • FITS HOLMES AIR PURIFIER MODELS: Compatible with HAP412, HAP422, HAP424, HAP702, HAP706, HAP716, HAP1702, HAP2400, HAP9240, HAP9241, HAP9242, HAP9243, HAP9412, HAP9413, HAP9414, HAP9415, HAP9422, HAP9423, HAP9424, and HAP9425 models
  • FITS BIONAIRE AIR PURIFIER MODELS: Compatible with BAP260, BAP520, BAP815, BAP825, BAP9200, and BAP9700 models
Rank No. #9
Colorfullife 2 HEPA + 4 Carbon Booster Filters for Holmes AER1 HEPA Type Total Air Filter Replacement Filters for HAPF30AT and HAP242-NUC
  • Designed to fit aer1 ready air purifiers , Replaces A Filter, D Filter, K Filter
  • Dimension: 1.2 x 10 x 4.6 inches.
  • Compatible with Bionaire Units: BAP260, BAP815, BAP825, BAP9200, BAP9700, BAP520.
  • Compatible with Holmes Units: CAP531-U, CAP529-U, HAP240, HAP242, HAP412, HAP422, HAP424, HAP706, HAP716, HAP9240, HAP9242, HAP9412, HAP9414, HAP9422, HAP9424,HAP1200.
  • Package include 2 HEPA filters ,4 Carbon Booster Filters
SaleRank No. #10
Holmes HAPF30AT Air Filter, Pack of 1, White
  • REMOVES UP TO 99 percent OF AIRBORNE PARTICLES: HEPA-Type filter removes up to 99 percent of airbone allergens as small as 2 microns
  • FITS HOLMES AIR PURIFIER MODELS: Compatible with HAP412, HAP422, HAP424, HAP702, HAP706, HAP716, HAP1702, HAP2400, HAP9240, HAP9241, HAP9242, HAP9243, HAP9412, HAP9413, HAP9414, HAP9415, HAP9422, HAP9423, HAP9424,and HAP9425 models
  • FITS BIONAIRE AIR PURIFIER MODELS: Compatible with BAP260, BAP520, BAP815, BAP825, BAP9200, and BAP9700 models

How Do You Buy The Best air purifier filters of 2021?

Do you get stressed out thinking about shopping for a great air purifier filters? Do doubts keep creeping into your mind? We understand, because we’ve already gone through the whole process of researching air purifier filters, which is why we have assembled a comprehensive list of the greatest air purifier filters available in the current market. We’ve also come up with a list of questions that you probably have yourself.

We’ve done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for air purifier filters that you consider buying. Your questions might include the following:

  • Is it worth buying an air purifier filters?
  • What benefits are there with buying an air purifier filters?
  • What factors deserve consideration when shopping for an effective air purifier filters?
  • Why is it crucial to invest in any air purifier filters, much less the best one?
  • Which air purifier filters are good in the current market?
  • Where can you find information like this about air purifier filters?

We’re convinced that you likely have far more questions than just these regarding air purifier filters, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for air purifier filters, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible air purifier filters. Make sure that you are only using trustworthy and credible websites and sources.

We provide an air purifier filters buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information. How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available air purifier filters currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of air purifier filters has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features:What bells and whistles matter for an air purifier filters?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your air purifier filters.
  5. Customer Ratings: Number ratings grade air purifier filters objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their air purifier filters.
  7. Product Quality: You don’t always get what you pay for with an air purifier filters, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an air purifier filters is should be an indication of how long it will work out for you.

We always remember that maintaining air purifier filters information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding air purifier filters is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly! We’re here for you all the time. Contact us here. Or You can read more about us to see our vision.