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

Keeping your indoor air clean and healthy is critical. It's also not a simple task, as many pollutants come from outside. A good filter for your air purifier will help reduce airborne allergens and irritants, as well as improve the quality of your indoor air. Browse the top-ranked list of gray filters below along with associated reviews and opinions.

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  1. Shark - Air Purifier Anti-Allergen Filter with True HEPA + Microban, Compatible with HP102, HC452 - Gray - Front_Zoom
    Top comment

    "This filter is for the small Shark purifier in our bedroom and we really notice a difference in the air quality!...The unit filter isn't due for replacement, and the original has been in use since 06/2022 no issues....Shark - Air Purifier Anti-Allergen Filter...Great Air Filter"

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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

    "This filter is for the small Shark purifier in our bedroom and we really notice a difference in the air quality!...The unit filter isn't due for replacement, and the original has been in use since 06/2022 no issues....Shark - Air Purifier Anti-Allergen Filter...Great Air Filter"

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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.
    See all Air Purifier Filters & Parts
    See all Air Purifier Filters & Parts
  2. True HEPA Filter for Select Vornado Air Purifiers - Gray - Front_Zoom
    Top comment

    "It’s from the creator of the purifier I own. This filter was purchased for my Coronado Ac350 purifiertrue hepa air filter. "

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    Product Description

    Replace the filter of your Vornado AC300 or AC500 air purifier with this Vornado MD1-0022 True HEPA filter, which captures up to 99.97% of airborne particles up to 0.3 microns or larger to keep your air fresh and breathable.
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    Top comment

    "It’s from the creator of the purifier I own. This filter was purchased for my Coronado Ac350 purifiertrue hepa air filter. "

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    Product Description

    Replace the filter of your Vornado AC300 or AC500 air purifier with this Vornado MD1-0022 True HEPA filter, which captures up to 99.97% of airborne particles up to 0.3 microns or larger to keep your air fresh and breathable.
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    See all Air Purifier Filters & Parts
  3. Pure Enrichment - 2-in-1 True HEPA Replacement Filter for the PureZone Breeze Air Purifier (PECOMPAP) - Grey - Front_Zoom
    Top comment

    "Great Machine and Filter...I recommend ordering several replacement filters when you can....small filters, work great...Can't believe how well these filters work. I'm always amazed when I go to change them the dust they have pulled out of air. "

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    Product Description

    Breathe in fresher air using the 2-in-1 True HEPA replacement filter from Pure Enrichment. Enjoy improved air quality as the premium 2-stage filter safely cleans the air in any home or office. Our filter is designed to work with the Pure Enrichment PureZone Breeze Air Purifier (sold separately). Each of the two layers of this filter provides a unique level of cleaning: Activated Carbon Pre-Filter– Captures and absorbs initial dust, allergen particles, formaldehyde, benzene, and other noxious gases. HEPA Filter– Captures dust, smoke, pollen, and other allergens. For optimal performance, we recommend replacing your unit's air filter every 6 months.
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    Top comment

    "Great Machine and Filter...I recommend ordering several replacement filters when you can....small filters, work great...Can't believe how well these filters work. I'm always amazed when I go to change them the dust they have pulled out of air. "

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    Product Description

    Breathe in fresher air using the 2-in-1 True HEPA replacement filter from Pure Enrichment. Enjoy improved air quality as the premium 2-stage filter safely cleans the air in any home or office. Our filter is designed to work with the Pure Enrichment PureZone Breeze Air Purifier (sold separately). Each of the two layers of this filter provides a unique level of cleaning: Activated Carbon Pre-Filter– Captures and absorbs initial dust, allergen particles, formaldehyde, benzene, and other noxious gases. HEPA Filter– Captures dust, smoke, pollen, and other allergens. For optimal performance, we recommend replacing your unit's air filter every 6 months.
    See all Air Purifier Filters & Parts
    See all Air Purifier Filters & Parts
  4. Pure Enrichment - 2-in-1 True HEPA Replacement Filter for the PureZone Mini Portable Air Purifier (PEPERSAP) - Grey - Front_Zoom
    Top comment

    "We have loved our mini air purifier and the filters came quickly and without issue. We haven't replaced the filter yet....Replacement filters...Great filters for my mini air purifier. Glad Best Buy has them in stock."

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    Product Description

    Breathe in fresher air using the 2-in-1 True HEPA replacement filter from Pure Enrichment. Enjoy improved air quality as the premium 2-stage filter safely cleans your personal air in any office, hotel, or travel setting. Our filter is designed to work with the Pure Enrichment PureZone Mini Portable Air Purifier (sold separately). Each of the two layers of this filter provides a unique level of cleaning: Activated Carbon Pre-Filter– Captures and absorbs initial dust, allergen particles, formaldehyde, benzene, and other noxious gases. HEPA Filter– Captures dust, smoke, pollen, and other allergens. For optimal performance, we recommend replacing your unit's air filter every 6 months.
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    Top comment

    "We have loved our mini air purifier and the filters came quickly and without issue. We haven't replaced the filter yet....Replacement filters...Great filters for my mini air purifier. Glad Best Buy has them in stock."

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    Product Description

    Breathe in fresher air using the 2-in-1 True HEPA replacement filter from Pure Enrichment. Enjoy improved air quality as the premium 2-stage filter safely cleans your personal air in any office, hotel, or travel setting. Our filter is designed to work with the Pure Enrichment PureZone Mini Portable Air Purifier (sold separately). Each of the two layers of this filter provides a unique level of cleaning: Activated Carbon Pre-Filter– Captures and absorbs initial dust, allergen particles, formaldehyde, benzene, and other noxious gases. HEPA Filter– Captures dust, smoke, pollen, and other allergens. For optimal performance, we recommend replacing your unit's air filter every 6 months.
    See all Air Purifier Filters & Parts
    See all Air Purifier Filters & Parts
  5. Pure Enrichment - 2-in-1 True HEPA Replacement Filter for the PureZone Halo Air Purifier (PEAIRDSK) - Grey - Front_Zoom
    Top comment

    "Filter...This product filters my air when I turn it on, I love it...Best Air Purifier/ Filters!...10/10 would recommend this purifier & filter! We love it & the replacement filter is so easy to replace!"

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    Product Description

    Breathe in fresher air using the 2-in-1 True HEPA replacement filter from Pure Enrichment. Enjoy improved air quality as the premium 2-stage filter safely cleans the air in any home or office. Our filter is designed to work with the Pure Enrichment PureZone Halo Air Purifier (sold separately). Each of the two layers of this filter provides a unique level of cleaning: Activated Carbon Pre-Filter: Captures and absorbs initial dust, allergen particles, formaldehyde, benzene, and other noxious gases. HEPA Filter: Captures dust, smoke, pollen, and other allergens. For optimal performance, we recommend replacing your unit's air filter every 6 months.
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    Top comment

    "Filter...This product filters my air when I turn it on, I love it...Best Air Purifier/ Filters!...10/10 would recommend this purifier & filter! We love it & the replacement filter is so easy to replace!"

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    Product Description

    Breathe in fresher air using the 2-in-1 True HEPA replacement filter from Pure Enrichment. Enjoy improved air quality as the premium 2-stage filter safely cleans the air in any home or office. Our filter is designed to work with the Pure Enrichment PureZone Halo Air Purifier (sold separately). Each of the two layers of this filter provides a unique level of cleaning: Activated Carbon Pre-Filter: Captures and absorbs initial dust, allergen particles, formaldehyde, benzene, and other noxious gases. HEPA Filter: Captures dust, smoke, pollen, and other allergens. For optimal performance, we recommend replacing your unit's air filter every 6 months.
    See all Air Purifier Filters & Parts
    See all Air Purifier Filters & Parts
  6. Pure Enrichment - 2-in-1 True HEPA Replacement Filter for the PureZone Elite 4-in-1 Air Purifier (PEAIRTWR) - Grey - Alt_View_Zoom_15
    Top comment

    "Great Filter for Cleaner Air & Better Sleep!...This charcoal pre-filter should be replaced more often. I would like to see Pure Enrichment offer a replacement pack with two charcoal pre-filters. ...This filter rocks!...This filter is heavy duty protection. It also is extremely easy to remove and replace."

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    Product Description

    Breathe in fresher air using the 2-in-1 True HEPA replacement filter from Pure Enrichment. Enjoy improved air quality as the premium 2-stage filter safely cleans the air in any home or office. Our filter is designed to work with the Pure Enrichment PureZone Elite 4-in-1 Air Purifier (sold separately). Each of the two layers of this filter provides a unique level of cleaning: Activated Carbon Pre-Filter– Captures and absorbs initial dust, allergen particles, formaldehyde, benzene, and other noxious gases. HEPA Filter– Captures dust, smoke, pollen, and other allergens. For optimal performance, we recommend replacing your unit's air filter every 6 months.
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    Top comment

    "Great Filter for Cleaner Air & Better Sleep!...This charcoal pre-filter should be replaced more often. I would like to see Pure Enrichment offer a replacement pack with two charcoal pre-filters. ...This filter rocks!...This filter is heavy duty protection. It also is extremely easy to remove and replace."

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    Product Description

    Breathe in fresher air using the 2-in-1 True HEPA replacement filter from Pure Enrichment. Enjoy improved air quality as the premium 2-stage filter safely cleans the air in any home or office. Our filter is designed to work with the Pure Enrichment PureZone Elite 4-in-1 Air Purifier (sold separately). Each of the two layers of this filter provides a unique level of cleaning: Activated Carbon Pre-Filter– Captures and absorbs initial dust, allergen particles, formaldehyde, benzene, and other noxious gases. HEPA Filter– Captures dust, smoke, pollen, and other allergens. For optimal performance, we recommend replacing your unit's air filter every 6 months.
    See all Air Purifier Filters & Parts
    See all Air Purifier Filters & Parts
  7. Pure Enrichment - 3-in-1 True HEPA Replacement Filter for the PureZone Air Purifier (PEAIRPLG) - Grey - Front_Zoom

    Product Description

    Breathe in fresher air using the 3-in-1 True HEPA replacement filter from Pure Enrichment. Enjoy improved air quality as the premium 3-stage filter safely cleans the air in any home or office. Our filter is designed to work with the Pure Enrichment PureZone Air Purifier (sold separately). Each of the three layers of this filter provides a unique level of cleaning: Pre-Filter– Captures initial dust and allergen particles. Activated Carbon Filter– Absorbs formaldehyde, benzene, and other noxious gases. HEPA Filter– Captures dust, smoke, pollen, and other allergens. For optimal performance, we recommend replacing your unit's air filter every 6 months.
    See all Air Purifier Filters & Parts

    Product Description

    Breathe in fresher air using the 3-in-1 True HEPA replacement filter from Pure Enrichment. Enjoy improved air quality as the premium 3-stage filter safely cleans the air in any home or office. Our filter is designed to work with the Pure Enrichment PureZone Air Purifier (sold separately). Each of the three layers of this filter provides a unique level of cleaning: Pre-Filter– Captures initial dust and allergen particles. Activated Carbon Filter– Absorbs formaldehyde, benzene, and other noxious gases. HEPA Filter– Captures dust, smoke, pollen, and other allergens. For optimal performance, we recommend replacing your unit's air filter every 6 months.
    See all Air Purifier Filters & Parts
    See all Air Purifier Filters & Parts
  8. Levoit - Vital 100 Plus True HEPA Replacement Filter - Gray - Front_Zoom

    Product Description

    Capture odors, allergens, and other airborne contaminants with the Vital 100-RF True HEPA 3-Stage Replacement Filter. Enjoy fresh air for another 6–8 months when you buy directly from Levoit. Non-Washable. Compatible with Levoit Vital 100 series.
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    Product Description

    Capture odors, allergens, and other airborne contaminants with the Vital 100-RF True HEPA 3-Stage Replacement Filter. Enjoy fresh air for another 6–8 months when you buy directly from Levoit. Non-Washable. Compatible with Levoit Vital 100 series.
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    See all Air Purifier Filters & Parts
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