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Best air purifier filters - April 2026

Last Updated - April 1, 2026

1
Best Choice

✖
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.

PuroAir

PuroAir 240 Replacement Filter - Genuine Puro Air 240 Filter Replacement - Official PuroAir Air Purifier HEPA Filter with CarbonTech Filters 99.9% of Pollen, Dust, Pet Dander, Smoke, Odors (2PK)

PuroAir

$74.99

More Details
Main highlights
- RISK-FREE WARRANTY: In partnership with American Lung Association, over 900,000+ families now trust PuroAir to keep their air clean. Have a problem or question? Our team is here to make it right under our 2-year warranty. Proudly based in the USA.
- POWERFUL AIR FILTER: PuroAir True HEPA air purifier features a 3-layer filtration system 500X stronger than competitors, with a pre-filter, HEPA filter, and activated carbon—filtering up to 99.9% of pollutants, dust, pollen, pet dander, smoke and odors.
- POWERED BY CARBONTECH: Each Genuine PuroAir HEPA filter is designed with our exclusive CarbonTech layer, made from a proprietary blend of activated carbon for superior filtration of odors. (Based on independent testing in an ISO 17025 certified lab, 2024)
- GENUINE PUROAIR FILTER: Look for the Official PuroAir Seal for authentic 240 Replacement Filters. Let us do the dirty work and remind you when to change out the filter by signing up to have them delivered right to your door! (Replace every 3-4 months).
- BACKED BY SCIENCE: Third-party lab tested proven to filter common indoor household pollutants with ease, this pet air purifier tackles pet dander and pet hair for improved allergy symptoms and sleep quality*. (SleepScore's independent lab testing, 2024).
$74.99
2

✖
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.

BLUEAIR

BLUEAIR Blue Pure 211+ Genuine Replacement Filter, Particle and Activated Carbon, Fits Blue Pure 211+ Air Purifier (Non-Auto)

BLUEAIR

$69.99

More Details
Main highlights
- TRAPS HOUSEHOLD ODORS: A layer of carbon mesh traps light household odors, smoke, chemicals, and volatile organic compounds (VOC)
- REMOVES EVEN TINIEST AIRBORNE PARTICLES DOWN TO 0.1 MICRON: Particle filter removes airborne particles such as pollen, pet dander, bacteria, mold, viruses, and dust from your indoor environment*
- GENUINE FILTER FOR BLUE PURE 211 plus: Blueair Combination Particle plus Carbon Replacement Filter compatible with Blue Pure 211 plus air purifiers (non-auto); not compatible with Blue Pure 211 plus Auto air purifier. Compatible only with: Blue Pure 211+ (B073WJL99W)
- FILTERS BUILT TO LAST: Using a 360-degree air intake and up to 4x the filter surface area, the Genuine Blue Pure 211 plus Auto Particle and Activated Carbon Filter lasts on average 6 months to a year; optimizing air flow and performance over time
$69.99
3
Best Value
16% 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.

Aprilaire
16% Off

AprilAire 210 Replacement Filter for AprilAire Whole House Air Purifiers - MERV 11, Clean Air & Dust, 20x25x4 Air Filter (Pack of 1)

Aprilaire

$50.99

$60.99
(16% Off)

More Details
Main highlights
- VACUUM AND DUST LESS OFTEN by preventing airborne particles from settling on your furniture and flooring. This AprilAire 210 replacement air filter removes airborne particles as they pass through the MERV 11 filter including dust, pollen, mold, spores, bacteria, and pet dander.
- PROUD PARTNER OF THE AMERICAN LUNG ASSOCIATION in support of its mission to save lives by improving lung health and preventing lung disease
- NOMINAL AIR FILTER SIZE of 20 x 25 x 4 inches (nominal size is an industry standard filter size system to help you easily identify the correct replacement filter and is not the actual size)
- EASY AS 1-2-3 TO INSTALL in the unique AprilAire Interlock Rail System. Unpack. Slide in. Close the door. Done. No assembly or cardboard or metal reinforcements needed.
- BUY WITH CONFIDENCE This genuine AprilAire 210 replacement air filter was designed and manufactured in the USA by AprilAire – the leader in indoor air quality solutions – to optimize the performance of your AprilAire Air Purifier Model: 1210, 1620, 2120, 2200, 2210, 2216, 3210, 4200, or Space-Gard 2200 with Upgrade Kit 1213
- BETTER PERFORMANCE thanks to the patented AprilAire Self-Seal Technology which minimizes the amount of air bypassing the filter
$50.99
$60.99 (16% Off)
4
16% 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.

Aprilaire
16% Off

AprilAire 210 Replacement Filter for AprilAire Whole House Air Purifiers - MERV 11, Clean Air & Dust, 20x25x4 Air Filter (Pack of 1)

Aprilaire

$50.99

$60.99
(16% Off)

More Details
Main highlights
- VACUUM AND DUST LESS OFTEN by preventing airborne particles from settling on your furniture and flooring. This AprilAire 210 replacement air filter removes airborne particles as they pass through the MERV 11 filter including dust, pollen, mold, spores, bacteria, and pet dander.
- PROUD PARTNER OF THE AMERICAN LUNG ASSOCIATION in support of its mission to save lives by improving lung health and preventing lung disease
- NOMINAL AIR FILTER SIZE of 20 x 25 x 4 inches (nominal size is an industry standard filter size system to help you easily identify the correct replacement filter and is not the actual size)
- EASY AS 1-2-3 TO INSTALL in the unique AprilAire Interlock Rail System. Unpack. Slide in. Close the door. Done. No assembly or cardboard or metal reinforcements needed.
- BUY WITH CONFIDENCE This genuine AprilAire 210 replacement air filter was designed and manufactured in the USA by AprilAire – the leader in indoor air quality solutions – to optimize the performance of your AprilAire Air Purifier Model: 1210, 1620, 2120, 2200, 2210, 2216, 3210, 4200, or Space-Gard 2200 with Upgrade Kit 1213
- BETTER PERFORMANCE thanks to the patented AprilAire Self-Seal Technology which minimizes the amount of air bypassing the filter
$50.99
$60.99 (16% Off)
5
15% 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
15% 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
(15% 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 (15% Off)

Best air purifier filters - April 2026

PuroAir 240 Replacement Filter - Genuine Puro Air 240 Filter Replacement - Official PuroAir Air Purifier HEPA Filter with CarbonTech Filters 99.9% of Pollen, Dust, Pet Dander, Smoke, Odors (2PK)

BLUEAIR Blue Pure 211+ Genuine Replacement Filter, Particle and Activated Carbon, Fits Blue Pure 211+ Air Purifier (Non-Auto)

AprilAire 210 Replacement Filter for AprilAire Whole House Air Purifiers - MERV 11, Clean Air & Dust, 20x25x4 Air Filter (Pack of 1)

AprilAire 210 Replacement Filter for AprilAire Whole House Air Purifiers - MERV 11, Clean Air & Dust, 20x25x4 Air Filter (Pack of 1)

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

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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

BLUEAIR Blue Pure 211+ Genuine Replacement Filter, Particle and Activated Carbon, Fits Blue Pure 211+ Air Purifier (Non-Auto)

AprilAire 410 Replacement Filter for AprilAire Whole House Air Purifiers - MERV 11, Clean Air & Dust, 16x25x4 Air Filter (Pack of 1)

AprilAire 410 Replacement Filter for AprilAire Whole House Air Purifiers - MERV 11, Clean Air & Dust, 16x25x4 Air Filter (Pack of 1)

PuroAir 240 Replacement Filter - Genuine Puro Air 240 Filter Replacement - Official PuroAir Air Purifier HEPA Filter with CarbonTech Filters 99.9% of Pollen, Dust, Pet Dander, Smoke, Odors (2PK)

LEVOIT Genuine Core 300-P Replacement Filter, Core 300-RF Air Purifier Core300S Filters, Supports HEPA Sleep Mode, High-Efficiency Activated Carbon for Removal of Smoke, Odor, Allergens, Pollen,1 Pack

LEVOIT Genuine Core 300-P Replacement Filter, Core 300-RF Air Purifier Core300S Filters, Supports HEPA Sleep Mode, High-Efficiency Activated Carbon for Removal of Smoke, Odor, Allergens, Pollen,1 Pack

2 Pack Core Mini Filter H13 True HEPA Filters for LEVOIT Core Mini Core Mini-P Air Purifier Replacement Filter 3-in-1 HEPA, High-Efficiency Activated Carbon, Replace Part Core Mini-RF

2 Pack Core Mini Filter H13 True HEPA Filters for LEVOIT Core Mini Core Mini-P Air Purifier Replacement Filter 3-in-1 HEPA, High-Efficiency Activated Carbon, Replace Part Core Mini-RF

Core 300 Replacement Filter for LEVOIT Core 300 Core300-P Core 300S Core 300-P VortexAir Air Purifier, Core 300-RF, 3-in-1 HEPA Activated Carbon, 2 Pack, White, Core 300-P

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