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Best Buy customers often prefer the following products when searching for air purifier replacement filters.

Air purifiers are a great way to keep your home's air clean and healthy, but they can't do their job without the right filter. If you're looking for a new replacement filter for your air purifier, you're in the right place. Browse the top-ranked list of air purifier replacement filters below along with associated reviews and opinions.

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  1. Kyvol - P5 True HEPA&Activated Carbon Replacement Air Purifier Filter - White - Front_Zoom
    Top comment

    "Bought a replacement filter and ordered one ahead of needing to replace it will comment again when needing to replace old filter i am much curious when filter will be needing a new one and i will give a update as far as putting the filter in when new was very easy...No issues with this filter at all, works perfectly...Good replacement filter...Filter"

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    Product Description

    The perfect Kyvol P5 replacement filter, specially designed for the Kyvol P5 air purifier eliminate a variety of allergens, including mold, smoke, pollen, dust, and pet dander. To do its best work, Kyvol recommends replacing the filter every 6 months - the filter may need to be replaced sooner or later depending on the air quality in your area.
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    Top comment

    "Bought a replacement filter and ordered one ahead of needing to replace it will comment again when needing to replace old filter i am much curious when filter will be needing a new one and i will give a update as far as putting the filter in when new was very easy...No issues with this filter at all, works perfectly...Good replacement filter...Filter"

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    Product Description

    The perfect Kyvol P5 replacement filter, specially designed for the Kyvol P5 air purifier eliminate a variety of allergens, including mold, smoke, pollen, dust, and pet dander. To do its best work, Kyvol recommends replacing the filter every 6 months - the filter may need to be replaced sooner or later depending on the air quality in your area.
    See all Air Purifier Filters & Parts
    See all Air Purifier Filters & Parts
  2. Filter H for Winix 5500-2 Air Purifier - White - Front_Zoom
    Top comment

    "Great Filters at a great price....These Winix air purifier replacement filters do a great job in removing pet dander, smoke, odors and dust from the air. "

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    Product Description

    Original replacement filter H for the Winix air purifier 5500-2. A one year replacement set with true HEPA filter 99.97 Percent efficient to 0. 3 microns and an advanced odor control AOC carbon filter. Use only original Winix branded filters for the correct filtration capacity.
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    Top comment

    "Great Filters at a great price....These Winix air purifier replacement filters do a great job in removing pet dander, smoke, odors and dust from the air. "

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    Product Description

    Original replacement filter H for the Winix air purifier 5500-2. A one year replacement set with true HEPA filter 99.97 Percent efficient to 0. 3 microns and an advanced odor control AOC carbon filter. Use only original Winix branded filters for the correct filtration capacity.
    See all Air Purifier Filters & Parts
    See all Air Purifier Filters & Parts
  3. True HEPA GENUINE Replacement Filter for GermGuardian Air Purifier - White With Black Border - Front_Zoom
    Top comment

    "Great Filter...Great replacement filter. I've tried many third party filters for my germ guardian ac5900 air purifier while they worked, they did not seem to be as good as the original....great replacement filter...Great filter replacement. It's geniune and easy to install. "

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    Product Description

    Renew the performance of your air purifier with this GermGuardian True HEPA GENUINE replacement filter. Its multiple layers capture household allergens caused by dust and pets, and its activated carbon reduces indoor odors. This GermGuardian True HEPA GENUINE replacement filter boosts the efficiency and maintains the warranty of compatible models.
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    Top comment

    "Great Filter...Great replacement filter. I've tried many third party filters for my germ guardian ac5900 air purifier while they worked, they did not seem to be as good as the original....great replacement filter...Great filter replacement. It's geniune and easy to install. "

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    Product Description

    Renew the performance of your air purifier with this GermGuardian True HEPA GENUINE replacement filter. Its multiple layers capture household allergens caused by dust and pets, and its activated carbon reduces indoor odors. This GermGuardian True HEPA GENUINE replacement filter boosts the efficiency and maintains the warranty of compatible models.
    See all Air Purifier Filters & Parts
    See all Air Purifier Filters & Parts
  4. Levoit - HEPA Replacement Filter for Aerone Purifier - 1pk - White - Front_Zoom
    Top comment

    "Hey, it’s a replacement filter!...Improves are quality for our kids room. For a replacement filter it does the job...Replacement filter for my Levoit Air Purifier. Solidly made and a bargain when you add it to your original Levoit Air Purifier order."

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    Product Description

    This genuine Levoit Air Purifier Filter replacement for the Levoit Aerone True HEPA Air Purifier employs a three-stage filtration including Fine Preliminary, True HEPA and Activated Carbon filters to remove 99. 97% of dust, allergens, bacteria and odors. To do its best work, Levoit recommends replacing the filter every 6-8 months - the filter may need to be replaced sooner or later depending on the air quality in your area.
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    Top comment

    "Hey, it’s a replacement filter!...Improves are quality for our kids room. For a replacement filter it does the job...Replacement filter for my Levoit Air Purifier. Solidly made and a bargain when you add it to your original Levoit Air Purifier order."

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    Product Description

    This genuine Levoit Air Purifier Filter replacement for the Levoit Aerone True HEPA Air Purifier employs a three-stage filtration including Fine Preliminary, True HEPA and Activated Carbon filters to remove 99. 97% of dust, allergens, bacteria and odors. To do its best work, Levoit recommends replacing the filter every 6-8 months - the filter may need to be replaced sooner or later depending on the air quality in your area.
    See all Air Purifier Filters & Parts
    See all Air Purifier Filters & Parts
  5. Levoit - True HEPA Replacement Filter for TruClean Purifier - 1pk - White - Front_Zoom
    Top comment

    "Good value for AIr filters...Filters fit perfectly and my Hepa Air filter is back working hard...With something as important as an air purifier, it’s best to buy the original replacement filter brand and not a knock off."

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    Product Description

    The True HEPA Replacement Filter for the Truclean Air Purifier capture at least 99.97% of airborne particles 0.3 microns in size, so you can enjoy fresh air even longer. Featuring greater adsorption and a honeycomb structure, the improved filters cover a larger surface area. To do its best work, Levoit recommends replacing the filter every 6-8 months - the filter may need to be replaced sooner or later depending on the air quality in your area.
    See all Air Purifier Filters & Parts
    Top comment

    "Good value for AIr filters...Filters fit perfectly and my Hepa Air filter is back working hard...With something as important as an air purifier, it’s best to buy the original replacement filter brand and not a knock off."

    See all customer reviews

    Product Description

    The True HEPA Replacement Filter for the Truclean Air Purifier capture at least 99.97% of airborne particles 0.3 microns in size, so you can enjoy fresh air even longer. Featuring greater adsorption and a honeycomb structure, the improved filters cover a larger surface area. To do its best work, Levoit recommends replacing the filter every 6-8 months - the filter may need to be replaced sooner or later depending on the air quality in your area.
    See all Air Purifier Filters & Parts
    See all Air Purifier Filters & Parts
  6. Insignia™ - Insignia Replacement Filter for NS-APLWH2 Insignia 497 Sq. Ft. Air Purifier - White - Front_Zoom
    Top comment

    "Replacement Air Filter...We bought this replacement filter for our Insignia air purifier to help ensure we keep our indoor air clean. ...Breath of fresh air...Held off a little too long getting a replacement filter but when your old one is at the end of its lifetime the change is noticeable"

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    Product Description

    Keep the unpleasant side effects of allergies and odors outside of your home with the Insignia Replacement Filter for NS-APLWH2 Insignia 497 Sq. Ft. Air Purifier. With a dual layer, this HEPA and activated carbon filter captures 99.97% of particles as small as .3 microns. It removes dust, pollen, irritants and smoke, improving your air quality and visibility. The layer of active carbon also removes odors, keeping your house smelling clean and fresh. Don’t worry about having to constantly change the filter. Depending on your air quality, the filter can last 2,000 hours. It’s designed to replace the filter in the Insignia NS-APLWH2 497 Sq. Ft. HEPA Air Purifier, so you can maintain your clean air today.
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    Top comment

    "Replacement Air Filter...We bought this replacement filter for our Insignia air purifier to help ensure we keep our indoor air clean. ...Breath of fresh air...Held off a little too long getting a replacement filter but when your old one is at the end of its lifetime the change is noticeable"

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    Product Description

    Keep the unpleasant side effects of allergies and odors outside of your home with the Insignia Replacement Filter for NS-APLWH2 Insignia 497 Sq. Ft. Air Purifier. With a dual layer, this HEPA and activated carbon filter captures 99.97% of particles as small as .3 microns. It removes dust, pollen, irritants and smoke, improving your air quality and visibility. The layer of active carbon also removes odors, keeping your house smelling clean and fresh. Don’t worry about having to constantly change the filter. Depending on your air quality, the filter can last 2,000 hours. It’s designed to replace the filter in the Insignia NS-APLWH2 497 Sq. Ft. HEPA Air Purifier, so you can maintain your clean air today.
    See all Air Purifier Filters & Parts
    See all Air Purifier Filters & Parts
  7. Levoit - HEPA Replacement Filter for AirNow Purifier - 1pk - White - Front_Zoom
    Top comment

    "Much needed replacements...The larger filter can be replaced one or twice a year....filters air like a champ...I was worried that I would have to call in the warranty, but I tried replacing the filter just in case. Works perfectly now. I am pleased with the purifier and the replacement filter, but apparently I need to consider replacing the filter every 3 months, not every 6-8 as recommended. "

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    Product Description

    This certified, genuine Levoit True HEPA Replacement Filter for the AirNow Air Purifier is used to keep your air purifier at its best working condition and capacity. The pre-filter, HEPA filter and activated carbon filter work together to remove 99.9% of dust, pollen, smoke, odor, allergies, mold spores, and pet dander. This filters particles as small as 0.3 microns and larger air pollution of PM 2.5. This filter will not release any strange smell and works to remove unwanted odor and particles. This is perfect for those who are sensitive to the surrounding air or anyone who wants to improve the air quality. Ensure to remove the plastic bag on the filter before running the air purifier. The activated carbon pre-filer should be replaced every 2-3 months. Your air purifier comes with 2 extra pre-filters. The HEPA filter to do its best work, Levoit recommends replacing the filter every 6-8 months - the filter may need to be replaced sooner or later depending on the air quality in your area.
    See all Air Purifier Filters & Parts
    Top comment

    "Much needed replacements...The larger filter can be replaced one or twice a year....filters air like a champ...I was worried that I would have to call in the warranty, but I tried replacing the filter just in case. Works perfectly now. I am pleased with the purifier and the replacement filter, but apparently I need to consider replacing the filter every 3 months, not every 6-8 as recommended. "

    See all customer reviews

    Product Description

    This certified, genuine Levoit True HEPA Replacement Filter for the AirNow Air Purifier is used to keep your air purifier at its best working condition and capacity. The pre-filter, HEPA filter and activated carbon filter work together to remove 99.9% of dust, pollen, smoke, odor, allergies, mold spores, and pet dander. This filters particles as small as 0.3 microns and larger air pollution of PM 2.5. This filter will not release any strange smell and works to remove unwanted odor and particles. This is perfect for those who are sensitive to the surrounding air or anyone who wants to improve the air quality. Ensure to remove the plastic bag on the filter before running the air purifier. The activated carbon pre-filer should be replaced every 2-3 months. Your air purifier comes with 2 extra pre-filters. The HEPA filter to do its best work, Levoit recommends replacing the filter every 6-8 months - the filter may need to be replaced sooner or later depending on the air quality in your area.
    See all Air Purifier Filters & Parts
    See all Air Purifier Filters & Parts
  8. Levoit - HEPA Replacement Filter for TruClean Purifier - 2pk - White - Front_Zoom
    Top comment

    "love this air purifier filters are as described replacement filters...Good filters, though pricey...Good filters for a good air purifier. Pricey though"

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    Product Description

    The True HEPA Replacement Filter for the Truclean Air Purifier capture at least 99.97% of airborne particles 0.3 microns in size, so you can enjoy fresh air even longer. Featuring greater adsorption and a honeycomb structure, the improved filters cover a larger surface area. To do its best work, Levoit recommends replacing the filter every 6-8 months - the filter may need to be replaced sooner or later depending on the air quality in your area.
    See all Air Purifier Filters & Parts
    Top comment

    "love this air purifier filters are as described replacement filters...Good filters, though pricey...Good filters for a good air purifier. Pricey though"

    See all customer reviews

    Product Description

    The True HEPA Replacement Filter for the Truclean Air Purifier capture at least 99.97% of airborne particles 0.3 microns in size, so you can enjoy fresh air even longer. Featuring greater adsorption and a honeycomb structure, the improved filters cover a larger surface area. To do its best work, Levoit recommends replacing the filter every 6-8 months - the filter may need to be replaced sooner or later depending on the air quality in your area.
    See all Air Purifier Filters & Parts
    See all Air Purifier Filters & Parts
  9. HEPA Filter for GermGuardian AC4100 - Black/White - Front_Zoom
    Top comment

    "Great filters!...I really like the air filter and these refills are well worth the price....Germ Guardian Air Purifier Replacement Filter...This air purifier works great to remove allergens in the air. "

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    Product Description

    Breathe fresh air in your home using this GermGuardian replacement filter. The HEPA filter technology captures 99.7 percent of dust and allergens for cleaner air, while the charcoal filter layer reduces common odor for improved indoor air quality. This GermGuardian replacement filter is compatible with select air purifier models to ensure optimum performance.
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    Top comment

    "Great filters!...I really like the air filter and these refills are well worth the price....Germ Guardian Air Purifier Replacement Filter...This air purifier works great to remove allergens in the air. "

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    Product Description

    Breathe fresh air in your home using this GermGuardian replacement filter. The HEPA filter technology captures 99.7 percent of dust and allergens for cleaner air, while the charcoal filter layer reduces common odor for improved indoor air quality. This GermGuardian replacement filter is compatible with select air purifier models to ensure optimum performance.
    See all Air Purifier Filters & Parts
    See all Air Purifier Filters & Parts
  10. Levoit - PlasmaPro 600S True HEPA Replacement Filter - White - Front_Zoom
    Top comment

    "Great Replacement Filter...Great replacement filter and perfect fit. Very satisfied and highly recommend....filter replacement...Well we haven't used our replacement filter yet, but I'm sure it's just as good as the one that came with our air purifier!!"

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    Product Description

    Purify your air with reliable H13 True HEPA filtration. Capturing at least 99.97% of airborne particles 0.3 microns in size, as well as smoke, fumes, odors, and VOCs, the filter helps keep your home atmosphere fresh and healthy. Compatible with Levoit 600S series
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    Top comment

    "Great Replacement Filter...Great replacement filter and perfect fit. Very satisfied and highly recommend....filter replacement...Well we haven't used our replacement filter yet, but I'm sure it's just as good as the one that came with our air purifier!!"

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    Product Description

    Purify your air with reliable H13 True HEPA filtration. Capturing at least 99.97% of airborne particles 0.3 microns in size, as well as smoke, fumes, odors, and VOCs, the filter helps keep your home atmosphere fresh and healthy. Compatible with Levoit 600S series
    See all Air Purifier Filters & Parts
    See all Air Purifier Filters & Parts
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