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Best air purifier filters - May 2026

Last Updated - May 9, 2026

1
Best Choice
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.

Smilyan
19% Off

6 Pack HPA300 HEPA Filter Replacement for Honeywell Air Purifiers HPA300 Series, HPA300, HPA304, HPA8350, HPA300VP, HPA3300b, HPA5300, Replace HRF-R3, Pack of 6 HEPA R and 8 Pre filters A HRF-AP1

Smilyan

$39.94

$46.99
(19% Off)

More Details
Main highlights
- 𝗦𝗨𝗣𝗘𝗥 𝗖𝗥𝗔𝗙𝗧 - Smilyan hpa300 air filter replacement for honeywell is made of high quality non-woven fabric and activated carbon, both adopt advanced lower energy consumption and lower density structure technology verified by the manufacturer, with higher efficiency and less pressure to ensure maximum filtration. And the upgraded electrostatic electret filter technology which used in hepa r filter ensures energy saving and a longer service life.
- 𝗦𝗛𝗢𝗣 𝗪𝗜𝗧𝗛 𝗖𝗢𝗡𝗙𝗜𝗗𝗘𝗡𝗖𝗘 - Smilyan adhere to provide all customers with a simple, streamlined shopping experience of large appliance replacement parts, and prove that we have the highest quality parts and service out there. We stand by our products, and our customers are our focus as a business. If you have any quality problem, please contact Smilyan customer service team in time, and we will try our best to solve your problems. Filter made of FSC-Certified paper
- 𝗘𝗫𝗖𝗘𝗟𝗟𝗘𝗡𝗧 𝗙𝗜𝗟𝗧𝗥𝗔𝗧𝗜𝗢𝗡 - Enjoy fresh air all-year-round with Smilyan HPA300 HEPA Filter Replacement for Honeywell Air Purifier to ease uncomfortable symptoms caused by problematic air. The H13 True HEPA Filter works alongside the High-Efficiency Activated Carbon Pre-Filter to capture up to 99.97% of particles as small as 0.01 microns.
- 𝗖𝗢𝗦𝗧-𝗘𝗙𝗙𝗘𝗖𝗧𝗜𝗩𝗘 𝗚𝗢𝗢𝗗𝗦 - Package includes 3 HEPA R Replacement Filters and 4 A Carbon Pre-Filters. HEPA Filter R Dimensions: H: 10.2” x L: 6.5” x W 1.6”, Pre Filter A Dimensions: H: 17.2” x L: 14.2” x W 0.2" (Please refer to the picture for details). Never waste your time measuring again! Our HPA300 HEPA filter replacement value combo pack contains all the required air purifier filters to complete the standard installation of your air purifier.
- 𝗖𝗢𝗠𝗣𝗔𝗧𝗜𝗕𝗟𝗘 𝗠𝗢𝗗𝗘𝗟𝗦 - ①Smilyan HPA300 hepa r filter replacement is fully compatible with Honeywell Air Purifier HPA100/200/300 and 5000 Series including HPA090, HPA100, HPA200, HPA250, HPA300, HPA5200, HPA5220 HPA5250, HPA5300, HPA5350, HPA8350. Replacement for Honeywell R Filter including HRF-R3 & HRF-R2 & HRF-R1 ② The HRF-A300 activated carbon A Pre-Filters are compatible with Honeywell HPA300 series air purifier.
$39.94
$46.99 (19% Off)
2
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.

Smilyan
19% Off

6 Pack HPA300 HEPA Filter Replacement for Honeywell Air Purifiers HPA300 Series, HPA300, HPA304, HPA8350, HPA300VP, HPA3300b, HPA5300, Replace HRF-R3, Pack of 6 HEPA R and 8 Pre filters A HRF-AP1

Smilyan

$37.94

$46.99
(19% Off)

More Details
Main highlights
- 𝗦𝗨𝗣𝗘𝗥 𝗖𝗥𝗔𝗙𝗧 - Smilyan hpa300 air filter replacement for honeywell is made of high quality non-woven fabric and activated carbon, both adopt advanced lower energy consumption and lower density structure technology verified by the manufacturer, with higher efficiency and less pressure to ensure maximum filtration. And the upgraded electrostatic electret filter technology which used in hepa r filter ensures energy saving and a longer service life.
- 𝗦𝗛𝗢𝗣 𝗪𝗜𝗧𝗛 𝗖𝗢𝗡𝗙𝗜𝗗𝗘𝗡𝗖𝗘 - Smilyan adhere to provide all customers with a simple, streamlined shopping experience of large appliance replacement parts, and prove that we have the highest quality parts and service out there. We stand by our products, and our customers are our focus as a business. If you have any quality problem, please contact Smilyan customer service team in time, and we will try our best to solve your problems. Filter made of FSC-Certified paper
- 𝗘𝗫𝗖𝗘𝗟𝗟𝗘𝗡𝗧 𝗙𝗜𝗟𝗧𝗥𝗔𝗧𝗜𝗢𝗡 - Enjoy fresh air all-year-round with Smilyan HPA300 HEPA Filter Replacement for Honeywell Air Purifier to ease uncomfortable symptoms caused by problematic air. The H13 True HEPA Filter works alongside the High-Efficiency Activated Carbon Pre-Filter to capture up to 99.97% of particles as small as 0.01 microns.
- 𝗖𝗢𝗦𝗧-𝗘𝗙𝗙𝗘𝗖𝗧𝗜𝗩𝗘 𝗚𝗢𝗢𝗗𝗦 - Package includes 3 HEPA R Replacement Filters and 4 A Carbon Pre-Filters. HEPA Filter R Dimensions: H: 10.2” x L: 6.5” x W 1.6”, Pre Filter A Dimensions: H: 17.2” x L: 14.2” x W 0.2" (Please refer to the picture for details). Never waste your time measuring again! Our HPA300 HEPA filter replacement value combo pack contains all the required air purifier filters to complete the standard installation of your air purifier.
- 𝗖𝗢𝗠𝗣𝗔𝗧𝗜𝗕𝗟𝗘 𝗠𝗢𝗗𝗘𝗟𝗦 - ①Smilyan HPA300 hepa r filter replacement is fully compatible with Honeywell Air Purifier HPA100/200/300 and 5000 Series including HPA090, HPA100, HPA200, HPA250, HPA300, HPA5200, HPA5220 HPA5250, HPA5300, HPA5350, HPA8350. Replacement for Honeywell R Filter including HRF-R3 & HRF-R2 & HRF-R1 ② The HRF-A300 activated carbon A Pre-Filters are compatible with Honeywell HPA300 series air purifier.
$37.94
$46.99 (19% Off)
3

✖
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.

LEVOIT

Levoit Core 300-P Air Purifier Genuine Replacement Filter, Core300S-P Filter, AHAM VERIFIDE, Supports HEPA Sleep Mode, High-Efficiency Activated Carbon, Removes Smoke Odor, Allergens,Core 300-RF,1Pack

LEVOIT

$29.99

More Details
Main highlights
- 𝟑-𝐒𝐓𝐀𝐆𝐄 𝐅𝐈𝐋𝐓𝐑𝐀𝐓𝐈𝐎𝐍 𝐒𝐘𝐒𝐓𝐄𝐌: Pre-filter traps hairs, dust, and large particles. Main filter removes 99.97% of ultrafine particles down to 0.3 μm. High-density activated carbon filter helps remove gases and odors.
- 𝐖𝐇𝐘 𝐂𝐇𝐎𝐎𝐒𝐄 𝐀𝐇𝐀𝐌 𝐕𝐄𝐑𝐈𝐅𝐈𝐃𝐄 𝐅𝐈𝐋𝐓𝐄𝐑𝐒: AHAM (Association of Home Appliance Manufacturers) is an ANSI-accredited organization that sets strict standards for appliance performance. Air purifier filters with the AHAM VERIFIDE seal have been independently tested for their filtration performance, safety, and compatibility. When you choose an AHAM certified filter, you're choosing a replacement component trusted for reliable and effective indoor air quality improvement.
- 𝐏𝐑𝐎𝐓𝐄𝐂𝐓𝐈𝐎𝐍 𝐅𝐎𝐑 𝐀𝐋𝐋 𝐒𝐄𝐀𝐒𝐎𝐍𝐒 𝐀𝐍𝐃 𝐒𝐈𝐓𝐔𝐀𝐓𝐈𝐎𝐍𝐒: Ideal for homes with babies, pets, smokers, people with allergies, and those that cook often. Effectively filters wildfire smoke, seasonal pollen, vehicle exhaust, and humidity-triggered odors.
- 𝐍𝐎𝐓𝐄: The activated carbon in the filter is made from responsibly sourced, FSC-certified wood.
- 𝐌𝐔𝐋𝐓𝐈𝐏𝐋𝐄 𝐅𝐈𝐋𝐓𝐄𝐑 𝐂𝐇𝐎𝐈𝐂𝐄𝐒: Choose from a variety of replacement filters to best meet your needs. The Toxin Absorber Filter specializes in smog, toxins, and VOCs, while the Smoke Remover filter addresses smoke from wildfires, smoke, and other particulates. The Pet Allergy Filter captures fur and absorbs unpleasant odors.
- 𝐋𝐄𝐕𝐎𝐈𝐓 𝐆𝐄𝐍𝐔𝐈𝐍𝐄 𝐅𝐈𝐋𝐓𝐄𝐑: Guaranteed quality, detailed manufacturing process, and free from size mismatches to tackle unwanted odors. Levoit uses superior and more efficient materials, ensuring longer filter lifespan and cost savings—no need for extensive comparisons.
- 𝐇𝐄𝐏𝐀-𝐆𝐑𝐀𝐃𝐄 𝐏𝐄𝐑𝐅𝐎𝐑𝐌𝐀𝐍𝐂𝐄 𝐈𝐍 𝐒𝐋𝐄𝐄𝐏 𝐌𝐎𝐃𝐄: Helps Levoit Core 300-P achieve HEPA* filtration efficiency during Sleep Mode. Zero ozone emissions and ultra-quiet operation (≤26dB) in Sleep Mode. *Tested with IEST RP C001.7 by independent lab
- 𝐆𝐄𝐍𝐔𝐈𝐍𝐄 𝐑𝐄𝐏𝐋𝐀𝐂𝐄𝐌𝐄𝐍𝐓 𝐅𝐈𝐋𝐓𝐄𝐑: Designed specifically for the Core 300-P / Core 300S-P air purifiers to maintain its peak performance. Use genuine filters for premium quality and longer lifespan. We recommend replacing your filters every 6 to 8 months.
- 𝐂𝐑𝐄𝐀𝐓𝐄𝐃 𝐄𝐗𝐂𝐋𝐔𝐒𝐈𝐕𝐄𝐋𝐘 𝐅𝐎𝐑 𝐂𝐎𝐑𝐄 𝟑𝟎𝟎-𝐏 𝐒𝐄𝐑𝐈𝐄𝐒: Levoit's Filter Life Indicator and built-in algorithm only works with authentic filters. Using non-genuine filters may lead to delayed replacement, lower air quality, and damaged purifier motor.
- 𝐁𝐔𝐘 𝐖𝐈𝐓𝐇 𝐂𝐎𝐍𝐅𝐈𝐃𝐄𝐍𝐂𝐄: Filters are sealed to protect their service time. Remove the plastic packaging of the new filters before running the air purifier
$29.99
4

✖
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.

LEVOIT

Levoit Core 300-P Air Purifier Genuine Replacement Filter, Core300S-P Filter, AHAM VERIFIDE, Supports HEPA Sleep Mode, High-Efficiency Activated Carbon, Removes Smoke Odor, Allergens,Core 300-RF,1Pack

LEVOIT

$29.99

More Details
Main highlights
- 𝟑-𝐒𝐓𝐀𝐆𝐄 𝐅𝐈𝐋𝐓𝐑𝐀𝐓𝐈𝐎𝐍 𝐒𝐘𝐒𝐓𝐄𝐌: Pre-filter traps hairs, dust, and large particles. Main filter removes 99.97% of ultrafine particles down to 0.3 μm. High-density activated carbon filter helps remove gases and odors.
- 𝐖𝐇𝐘 𝐂𝐇𝐎𝐎𝐒𝐄 𝐀𝐇𝐀𝐌 𝐕𝐄𝐑𝐈𝐅𝐈𝐃𝐄 𝐅𝐈𝐋𝐓𝐄𝐑𝐒: AHAM (Association of Home Appliance Manufacturers) is an ANSI-accredited organization that sets strict standards for appliance performance. Air purifier filters with the AHAM VERIFIDE seal have been independently tested for their filtration performance, safety, and compatibility. When you choose an AHAM certified filter, you're choosing a replacement component trusted for reliable and effective indoor air quality improvement.
- 𝐏𝐑𝐎𝐓𝐄𝐂𝐓𝐈𝐎𝐍 𝐅𝐎𝐑 𝐀𝐋𝐋 𝐒𝐄𝐀𝐒𝐎𝐍𝐒 𝐀𝐍𝐃 𝐒𝐈𝐓𝐔𝐀𝐓𝐈𝐎𝐍𝐒: Ideal for homes with babies, pets, smokers, people with allergies, and those that cook often. Effectively filters wildfire smoke, seasonal pollen, vehicle exhaust, and humidity-triggered odors.
- 𝐍𝐎𝐓𝐄: The activated carbon in the filter is made from responsibly sourced, FSC-certified wood.
- 𝐌𝐔𝐋𝐓𝐈𝐏𝐋𝐄 𝐅𝐈𝐋𝐓𝐄𝐑 𝐂𝐇𝐎𝐈𝐂𝐄𝐒: Choose from a variety of replacement filters to best meet your needs. The Toxin Absorber Filter specializes in smog, toxins, and VOCs, while the Smoke Remover filter addresses smoke from wildfires, smoke, and other particulates. The Pet Allergy Filter captures fur and absorbs unpleasant odors.
- 𝐋𝐄𝐕𝐎𝐈𝐓 𝐆𝐄𝐍𝐔𝐈𝐍𝐄 𝐅𝐈𝐋𝐓𝐄𝐑: Guaranteed quality, detailed manufacturing process, and free from size mismatches to tackle unwanted odors. Levoit uses superior and more efficient materials, ensuring longer filter lifespan and cost savings—no need for extensive comparisons.
- 𝐇𝐄𝐏𝐀-𝐆𝐑𝐀𝐃𝐄 𝐏𝐄𝐑𝐅𝐎𝐑𝐌𝐀𝐍𝐂𝐄 𝐈𝐍 𝐒𝐋𝐄𝐄𝐏 𝐌𝐎𝐃𝐄: Helps Levoit Core 300-P achieve HEPA* filtration efficiency during Sleep Mode. Zero ozone emissions and ultra-quiet operation (≤26dB) in Sleep Mode. *Tested with IEST RP C001.7 by independent lab
- 𝐆𝐄𝐍𝐔𝐈𝐍𝐄 𝐑𝐄𝐏𝐋𝐀𝐂𝐄𝐌𝐄𝐍𝐓 𝐅𝐈𝐋𝐓𝐄𝐑: Designed specifically for the Core 300-P / Core 300S-P air purifiers to maintain its peak performance. Use genuine filters for premium quality and longer lifespan. We recommend replacing your filters every 6 to 8 months.
- 𝐂𝐑𝐄𝐀𝐓𝐄𝐃 𝐄𝐗𝐂𝐋𝐔𝐒𝐈𝐕𝐄𝐋𝐘 𝐅𝐎𝐑 𝐂𝐎𝐑𝐄 𝟑𝟎𝟎-𝐏 𝐒𝐄𝐑𝐈𝐄𝐒: Levoit's Filter Life Indicator and built-in algorithm only works with authentic filters. Using non-genuine filters may lead to delayed replacement, lower air quality, and damaged purifier motor.
- 𝐁𝐔𝐘 𝐖𝐈𝐓𝐇 𝐂𝐎𝐍𝐅𝐈𝐃𝐄𝐍𝐂𝐄: Filters are sealed to protect their service time. Remove the plastic packaging of the new filters before running the air purifier
$29.99
5
Best Value
20% 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.

GermGuardian
20% Off

GermGuardian Filter B HEPA Pure Genuine Air Purifier Filter, Removes 99.97% of Pollutants, Wildfire Smoke, Odors, for AC4825, AC4300, AC4850, AC4880, AC4900, CDAP4500, AP2200, Black/Yellow, FLT4825

GermGuardian

$19.89

$24.99
(20% Off)

More Details
Main highlights
- Why HEPA PURE: Proudly manufactured in North America and backed by rigorous scientific testing using reputable independent labs, this genuine HEPA filter features unmatched multi-layer filtration technology for a safer, cleaner, more breathable air
- Reliable Room Deodorizer: The activated carbon pre-filter traps and absorbs volatile organic compounds along with dust, pet hair, and other large particles, effectively reducing odors from smoking, cooking, and pets
- Genuine HEPA PURE Air Filter: Experience the power of authentic HEPA PURE air filtration with this GermGuardian filter replacement engineered to efficiently capture 99.97% of particles as small as 0.1 microns, including dust, pollen, and pet dander
- Compatible Models: This GermGuardian air purifier filter replacement works with models: AC4825E, AC4825W, AC4870, AC4820, AC4300BPTCA, AC4300WPT, AC4880, AC4900CA, AC4850PT, CDAP4500BCA, CDAP4500WCA, PureGuardian Model AP2200CA
- Compatible Models: This GermGuardian air purifier filter replacement works with models: AC4825E, AC4825W, AC4870, AC4820, AC4300BPTCA, AC4300WPT, AC4880, AC4900CA, AC4850PT, CDAP4500BCA, CDAP4500WCA, PureGuardian Model AP2200CA
$19.89
$24.99 (20% Off)

Best air purifier filters - May 2026

6 Pack HPA300 HEPA Filter Replacement for Honeywell Air Purifiers HPA300 Series, HPA300, HPA304, HPA8350, HPA300VP, HPA3300b, HPA5300, Replace HRF-R3, Pack of 6 HEPA R and 8 Pre filters A HRF-AP1

6 Pack HPA300 HEPA Filter Replacement for Honeywell Air Purifiers HPA300 Series, HPA300, HPA304, HPA8350, HPA300VP, HPA3300b, HPA5300, Replace HRF-R3, Pack of 6 HEPA R and 8 Pre filters A HRF-AP1

Levoit Core 300-P Air Purifier Genuine Replacement Filter, Core300S-P Filter, AHAM VERIFIDE, Supports HEPA Sleep Mode, High-Efficiency Activated Carbon, Removes Smoke Odor, Allergens,Core 300-RF,1Pack

Levoit Core 300-P Air Purifier Genuine Replacement Filter, Core300S-P Filter, AHAM VERIFIDE, Supports HEPA Sleep Mode, High-Efficiency Activated Carbon, Removes Smoke Odor, Allergens,Core 300-RF,1Pack

GermGuardian Filter B HEPA Pure Genuine Air Purifier Filter, Removes 99.97% of Pollutants, Wildfire Smoke, Odors, for AC4825, AC4300, AC4850, AC4880, AC4900, CDAP4500, AP2200, Black/Yellow, FLT4825

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