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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. Blueair - Pre-filter in Arctic Trail for Blue Pure 411 Auto Air Purifier - Dark Gray - Front_Zoom
    Top comment

    "Love this filters look in my home and easiness to replace....Very minimalist. Same filter as the original. Pretty easy to install."

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    Product Description

    Blueair Pre-filter in Arctic Trail color for the Blue Pure 411 Auto air purifier. The pre-filter may also be used with Blue Pure 411 and MINI models at a slightly increased noise level (2 dB). Pre-filter is not compatible with the 411+ model. Form meets function in Blue Pure 411 Auto's colorful pre-filters. The fabric allows you to customize the color to match your style, as well as extend the life of the primary filter, catching large airborne particles such as dust, lint, pollen, and pet hair. Vacuum the exterior of the fabric pre-filter to remove visible dust and dirt as often as you'd like. Removable, washable, and reusable the pre-filter is designed to be used again and again. When it requires a deeper clean, throw the fabric in the washing machine on a gentle, low-temperature cycle. Hang to dry. A hidden compartment in the fabric pre-filter keeps the power cord hidden out of sight. Available in five pre-filter colors inspired by natural Scandinavian landscapes; Arctic Trail (gray), Winter Reed (light gray), Archipelago Sand (pink), Aurora Light (green), and Night Waves (navy). Pre-filter in Arctic Trail color comes standard with air purifier.
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    Top comment

    "Love this filters look in my home and easiness to replace....Very minimalist. Same filter as the original. Pretty easy to install."

    See all customer reviews

    Product Description

    Blueair Pre-filter in Arctic Trail color for the Blue Pure 411 Auto air purifier. The pre-filter may also be used with Blue Pure 411 and MINI models at a slightly increased noise level (2 dB). Pre-filter is not compatible with the 411+ model. Form meets function in Blue Pure 411 Auto's colorful pre-filters. The fabric allows you to customize the color to match your style, as well as extend the life of the primary filter, catching large airborne particles such as dust, lint, pollen, and pet hair. Vacuum the exterior of the fabric pre-filter to remove visible dust and dirt as often as you'd like. Removable, washable, and reusable the pre-filter is designed to be used again and again. When it requires a deeper clean, throw the fabric in the washing machine on a gentle, low-temperature cycle. Hang to dry. A hidden compartment in the fabric pre-filter keeps the power cord hidden out of sight. Available in five pre-filter colors inspired by natural Scandinavian landscapes; Arctic Trail (gray), Winter Reed (light gray), Archipelago Sand (pink), Aurora Light (green), and Night Waves (navy). Pre-filter in Arctic Trail color comes standard with air purifier.
    See all Air Purifiers
    See all Air Purifiers
  2. Shark - Air Purifier Anti-Allergen Filter with True HEPA + Microban, Compatible with HP102, HC452 - Gray - Front_Zoom
    Top comment

    "Air filter filter...Good air filter very nice fits machine really needed it...Great Filter...I bought this filter to replace the other one works great."

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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

    "Air filter filter...Good air filter very nice fits machine really needed it...Great Filter...I bought this filter to replace the other one works great."

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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
  3. 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.
    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."

    See all customer reviews

    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 Elite 4-in-1 Air Purifier (PEAIRTWR) - Grey - Alt_View_Zoom_15
    Top comment

    "Filter replacement...Very easy to order replacement filters from this company!...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. "

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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

    "Filter replacement...Very easy to order replacement filters from this company!...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. "

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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
  6. Pure Enrichment - 3-in-1 True HEPA Replacement Filter for the PureZone Air Purifier (PEAIRPLG) - Grey - Front_Zoom
    Top comment

    "Easy to replace filter...This is a little powerhouse. Changing filters is easy. Keeps a small bedroom fresh...We have no other home filters, including our A-C filter, which is as easy and uncomplicated to change."

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    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
    Top comment

    "Easy to replace filter...This is a little powerhouse. Changing filters is easy. Keeps a small bedroom fresh...We have no other home filters, including our A-C filter, which is as easy and uncomplicated to change."

    See all customer reviews

    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
  7. Levoit - Vital 100 Plus True HEPA Replacement Filter - Gray - Front_Zoom
    Top comment

    "Levoit filters that My original user guide says!!...Keep your user guide. to reorder filter they...great filter...We like this air purifier and I was glad I could buy replacement filters straight from the vendor. Thanks for a great product!"

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    Product Description

    Capture odors, allergens, and other airborne contaminants with the Vital 100-RF True HEPA 3-Stage Replacement 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. Compatible with Vital 100 Plus series.
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    Top comment

    "Levoit filters that My original user guide says!!...Keep your user guide. to reorder filter they...great filter...We like this air purifier and I was glad I could buy replacement filters straight from the vendor. Thanks for a great product!"

    See all customer reviews

    Product Description

    Capture odors, allergens, and other airborne contaminants with the Vital 100-RF True HEPA 3-Stage Replacement 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. Compatible with Vital 100 Plus series.
    See all Air Purifier Filters & Parts
    See all Air Purifier Filters & Parts
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