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Best Buy customers often prefer the following products when searching for filter red.

If you're shopping for an air purifier, you probably already know that the filters play a big role in how well your machine cleans the air. These filters will help you breathe easy and keep your home clean. Browse the top-ranked list of filters red below along with associated reviews and opinions.

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  1. Shark - Air Purifier Anti-Allergen Filter with True HEPA + Microban, Compatible with HP202, HC501 - White - Front_Zoom
    Top comment

    "Best filter...Love my air purifier. These filters last 6months +...Shark filter...Works as advertised it filters the air and is easy to install"

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    Product Description

    The Shark Air Purifier NANOSEAL Filter with true HEPA captures 99.98% of large, small, & micro-sized particles from the air and is equipped with carbon for protection against household odors and VOCs. Based on IEST-RP-CC007.3, 0.1–0.2 microns. Treated with Microban. Microban reduces bacteria growth on the HEPA filter surface.
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    Top comment

    "Best filter...Love my air purifier. These filters last 6months +...Shark filter...Works as advertised it filters the air and is easy to install"

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    Product Description

    The Shark Air Purifier NANOSEAL Filter with true HEPA captures 99.98% of large, small, & micro-sized particles from the air and is equipped with carbon for protection against household odors and VOCs. Based on IEST-RP-CC007.3, 0.1–0.2 microns. Treated with Microban. Microban reduces bacteria growth on the HEPA filter surface.
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    See all Air Purifiers
  2. Levoit - HEPA Replacement Filter for TruClean Purifier - 2pk - White - Front_Zoom
    Top comment

    "Great filters...Great filters. Can tell the difference right away....I bought the unit and used it a month before the red light game on. I don’t have no animals. The price for filters is way to much. "

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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. Compatible with H131S series.
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    Top comment

    "Great filters...Great filters. Can tell the difference right away....I bought the unit and used it a month before the red light game on. I don’t have no animals. The price for filters is way to much. "

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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. Compatible with H131S series.
    See all Air Purifier Filters & Parts
    See all Air Purifier Filters & Parts
  3. Levoit - HEPA Replacement Filter for MetaAir Purifier - 1pk - White - Front_Zoom
    Top comment

    "Have been replacing the filter every time the indicator light turns red ever since. ...Great filter...Shipped quickly. But the red Replace Filter light didn’t turn off after replacing the filter. "

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    Product Description

    The True HEPA Replacement Filter for the MetaAir 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. Compatible with H133 series. Remember to remove the filter’s plastic packaging before placing it into the air purifier
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    Top comment

    "Have been replacing the filter every time the indicator light turns red ever since. ...Great filter...Shipped quickly. But the red Replace Filter light didn’t turn off after replacing the filter. "

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    Product Description

    The True HEPA Replacement Filter for the MetaAir 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. Compatible with H133 series. Remember to remove the filter’s plastic packaging before placing it into the air purifier
    See all Air Purifier Filters & Parts
    See all Air Purifier Filters & Parts
  4. Levoit - PlasmaPro 400S True HEPA Replacement Filter - White - Front_Zoom
    Top comment

    "Its a filter. It filters....It filters!...Its a filter that filters the air. Could be better than ither filters! "

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    Product Description

    Clear your home of airborne contaminants with advanced 3-stage filtration, featuring HEPASmart Technology that filters 99.99% of bacteria and mold, as well as 99.9% of viruses. With 10x more carbon than competing brands and the exclusive Levoit ARC Formula, the days of unwanted household odors are behind you. 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. Compatible with 400S series.
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    Top comment

    "Its a filter. It filters....It filters!...Its a filter that filters the air. Could be better than ither filters! "

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    Product Description

    Clear your home of airborne contaminants with advanced 3-stage filtration, featuring HEPASmart Technology that filters 99.99% of bacteria and mold, as well as 99.9% of viruses. With 10x more carbon than competing brands and the exclusive Levoit ARC Formula, the days of unwanted household odors are behind you. 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. Compatible with 400S series.
    See all Air Purifier Filters & Parts
    See all Air Purifier Filters & Parts
  5. Blueair - Replacement Filter for Blue Pure 311 Auto Air Purifier - Black/White - Alt_View_Zoom_11
    Top comment

    "Only filter to use...The blueair filters are nothing short of perfect, price a little high...Great Filters...Indicator light on top of unit turned red to signal a filter change. Easy to do (after reading instructions). "

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    Product Description

    The Blue Pure 311 Combination Particle + Carbon filter protects against both gaseous and particulate contaminates. Advanced polypropylene filter media removes particle pollutants from your indoor air, such as pollen, dust, and pet dander. At the same time, a layer of activated carbon mesh traps light household odors from pets, cooking, smoke, and more. The 360-degree design allows the filter surface area to be over 13 square feet in size.
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    Top comment

    "Only filter to use...The blueair filters are nothing short of perfect, price a little high...Great Filters...Indicator light on top of unit turned red to signal a filter change. Easy to do (after reading instructions). "

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    Product Description

    The Blue Pure 311 Combination Particle + Carbon filter protects against both gaseous and particulate contaminates. Advanced polypropylene filter media removes particle pollutants from your indoor air, such as pollen, dust, and pet dander. At the same time, a layer of activated carbon mesh traps light household odors from pets, cooking, smoke, and more. The 360-degree design allows the filter surface area to be over 13 square feet in size.
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    See all Air Purifiers
  6. Insignia™ - Insignia Replacement Filter for NS-APMWH2 Insignia 375 Sq. Ft. Air Purifier - White - Front_Zoom
    Top comment

    "Good air purifier, decent filter lifespan....I bought my air purifier around Black Friday of 2022, and have vacuumed the filter once since then. Just this last week the red light appeared telling me I needed a new filter (6 months). ...Wish I had manual to turn off red blinking light!no"

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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-APMWH2 Insignia 375 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 375 Sq. Ft. HEPA Air Purifier (NS-APMWH2), so you can maintain your clean air today.
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    Top comment

    "Good air purifier, decent filter lifespan....I bought my air purifier around Black Friday of 2022, and have vacuumed the filter once since then. Just this last week the red light appeared telling me I needed a new filter (6 months). ...Wish I had manual to turn off red blinking light!no"

    See all customer reviews

    Product Description

    Keep the unpleasant side effects of allergies and odors outside of your home with the Insignia – Replacement Filter for NS-APMWH2 Insignia 375 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 375 Sq. Ft. HEPA Air Purifier (NS-APMWH2), so you can maintain your clean air today.
    See all Air Purifier Filters & Parts
    See all Air Purifier Filters & Parts
  7. Blueair - Replacement Filter for Blue Pure 411, 411+, 411 Auto Air Purifiers - Black/White - Alt_View_Zoom_11
    Top comment

    "Good filter replacement...When resetting the timer (red light), push a little hard....I bought the new filter because the red light stayed on even though I changed the cloth prefilter. "

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    Product Description

    Genuine Blueair Replacement filter compatible with Blue Pure 411, 411+, MINI, and 411 Auto air purifier models. The Combination Particle + Carbon filter protects against both gaseous and particulate contaminates. Advanced polypropylene filter media removes particle pollutants from your indoor air, such as pollen, dust, and pet dander. At the same time, a layer of activated carbon mesh traps light household odors from pets, cooking, smoke, and more. The 360-degree design allows the filter surface area to be over 13 square feet in size.
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    Top comment

    "Good filter replacement...When resetting the timer (red light), push a little hard....I bought the new filter because the red light stayed on even though I changed the cloth prefilter. "

    See all customer reviews

    Product Description

    Genuine Blueair Replacement filter compatible with Blue Pure 411, 411+, MINI, and 411 Auto air purifier models. The Combination Particle + Carbon filter protects against both gaseous and particulate contaminates. Advanced polypropylene filter media removes particle pollutants from your indoor air, such as pollen, dust, and pet dander. At the same time, a layer of activated carbon mesh traps light household odors from pets, cooking, smoke, and more. The 360-degree design allows the filter surface area to be over 13 square feet in size.
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    See all Air Purifiers
  8. Blueair - Particle + Carbon Replacement Filter for Blue Pure 211+ Auto Air Purifier - White - Alt_View_Zoom_11
    Top comment

    "May 1 replaced filters for all 3 units. Red light immediate on one then red lights within 2-3 weeks for other 2. ...Amazing filter!...Filters out everything. I use this filter only! You will love it too."

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    Product Description

    Genuine Blueair replacement filter compatible with the Blue Pure 211+ Auto only. This filter is not compatible with the standard 211+ or MAX models. If used with the 211+ or MAX, the clean air delivery rate (CADR) will decline.​ The Combination Particle + Carbon filter protects against both gaseous and particulate contaminates. Advanced polypropylene filter media removes particle pollutants from your indoor air, such as pollen, dust, and pet dander. At the same time, a layer of activated carbon mesh traps light household odors from pets, cooking, smoke, and more. The 360-degree design allows the filter surface area to be over 20 square feet in size.
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    Top comment

    "May 1 replaced filters for all 3 units. Red light immediate on one then red lights within 2-3 weeks for other 2. ...Amazing filter!...Filters out everything. I use this filter only! You will love it too."

    See all customer reviews

    Product Description

    Genuine Blueair replacement filter compatible with the Blue Pure 211+ Auto only. This filter is not compatible with the standard 211+ or MAX models. If used with the 211+ or MAX, the clean air delivery rate (CADR) will decline.​ The Combination Particle + Carbon filter protects against both gaseous and particulate contaminates. Advanced polypropylene filter media removes particle pollutants from your indoor air, such as pollen, dust, and pet dander. At the same time, a layer of activated carbon mesh traps light household odors from pets, cooking, smoke, and more. The 360-degree design allows the filter surface area to be over 20 square feet in size.
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    See all Air Purifiers
  9. Blueair - Replacement Filter for Blue Pure 211+ Air Purifiers - White - Alt_View_Zoom_11
    Top comment

    "Great Filter makes a difference...Excellent filters....The filters do last the 6 months, and the light on the air filter will turn from white to orange to red to remind you to replace the filter. "

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    Product Description

    Genuine Blueair replacement filter compatible with the Blue Pure 211+ and Blue Pure MAX models only. This filter is not compatible with the 211+ Auto model. If used with the Blue Pure 211+ Auto, the clean air delivery rate (CADR) will decline.​ The Combination Particle + Carbon filter protects against both gaseous and particulate contaminates. Advanced polypropylene filter media removes particle pollutants from your indoor air, such as pollen, dust, and pet dander. At the same time, a layer of activated carbon mesh traps light household odors from pets, cooking, smoke, and more. The 360-degree design allows the filter surface area to be over 20 square feet in size. ​ Unlike look-a-likes, authentic Blueair replacement filters are designed to maintain premium performance over time and ensures your warranty remains intact. For optimal performance, replace the filter about once every six months when used 24 hours a day. The twist-and-change filter is easily removed and replaced and is recyclable at the end of its service life. Please check your local recycling facilities for availability.
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    Top comment

    "Great Filter makes a difference...Excellent filters....The filters do last the 6 months, and the light on the air filter will turn from white to orange to red to remind you to replace the filter. "

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    Product Description

    Genuine Blueair replacement filter compatible with the Blue Pure 211+ and Blue Pure MAX models only. This filter is not compatible with the 211+ Auto model. If used with the Blue Pure 211+ Auto, the clean air delivery rate (CADR) will decline.​ The Combination Particle + Carbon filter protects against both gaseous and particulate contaminates. Advanced polypropylene filter media removes particle pollutants from your indoor air, such as pollen, dust, and pet dander. At the same time, a layer of activated carbon mesh traps light household odors from pets, cooking, smoke, and more. The 360-degree design allows the filter surface area to be over 20 square feet in size. ​ Unlike look-a-likes, authentic Blueair replacement filters are designed to maintain premium performance over time and ensures your warranty remains intact. For optimal performance, replace the filter about once every six months when used 24 hours a day. The twist-and-change filter is easily removed and replaced and is recyclable at the end of its service life. Please check your local recycling facilities for availability.
    See all Air Purifiers
    See all Air Purifiers
  10. Honeywell - HEPA Filter 1pk, HRF-G1 - White - Front_Zoom
    Top comment

    "[This review was collected as part of a promotion.] This replacement filter is very easy to replace. Simply pull out the old filter by the red tabs and slide out. ...It as red tape stripes on the sides so it allows me to pull the filter out with ease."

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    Product Description

    Honeywell HEPA Filter 1pk, HRF-G1
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    Top comment

    "[This review was collected as part of a promotion.] This replacement filter is very easy to replace. Simply pull out the old filter by the red tabs and slide out. ...It as red tape stripes on the sides so it allows me to pull the filter out with ease."

    See all customer reviews

    Product Description

    Honeywell HEPA Filter 1pk, HRF-G1
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    See all Air Purifier Filters & Parts
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