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air purifier filters & parts

Small Air Filters

Replacing the filter in your small air purifier once in a while will help make it last longer, keep it energy efficient, and ensure the air you're breathing is properly filtered and pure. If you're looking for small air filters, we've got you covered. Browse the top-ranked list of small air filters below along with associated reviews and opinions.

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  1. Genuine HEPA Pure Replacement Filter H for GermGuardian Air Purifier Model AC9200 - White

    SKU: J3LFVTSTQS

    Great Product. Amazing Filter, does a good job. Stylish and affordable....The air purifier they go with is great.

    Product Description

    A white HEPA and activated carbon filter that captures 99.97% of allergens and reduces household odors.
    See all Air Purifier Filters & Parts
    Your price for this item is $49.99
    Save $30
    The previous price was $79.99

  2. AIR Doctor - AIRDOCTOR 2000i SMART Air Purifiers for Small Rooms Medium 3 Stage Filtration Pre-Filter, UltraHEPA, Carbon/VOC - White

    SKU: J3WGPK6GKZ

    Love it!

    Product Description

    A white smart air purifier with UltraHEPA, carbon filtration, and app connectivity for real-time air quality alerts.
    See all Air Purifiers
    Your price for this item is $459.00

  3. Insignia™ - Replacement Filter for NS-APLWH2 Insignia 497 Sq. Ft. Air Purifier - White

    SKU: J2FPJKYQYY

    [Employee of bestbuy] Love our Insignia Air purifier and replacement filter fits perfectly!...Great Replacement!...Best filter

    Product Description

    A white HEPA and activated carbon filter that captures 99.97% of particles and removes household odors.
    See all Air Purifier Filters & Parts
    Your price for this item is $69.99

  4. Insignia™ - Replacement Filter for NS-APMWH2 Insignia 375 Sq. Ft. Air Purifier - White

    SKU: J2FPJKYQL2

    Great Filter...Great filter for an excellent purifier - we love it....Best Filter

    Product Description

    A white HEPA and activated carbon filter that captures 99.97% of particles and removes household odors.
    See all Air Purifier Filters & Parts
    Your price for this item is $49.99

  5. Shark - Air Purifier 4-Fan Anti-Allergen HEPA Filter with Advanced Odor Lock, Compatible with HE401, HE402 - Gray

    SKU: JXJVXGZTZC

    best...Love our air purifier!...Love the air purifier! Filters are a part of the process & they work great!

    Product Description

    A grey plastic HEPA filter with advanced odor lock that captures 99.98% of airborne particles and odors.
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    Your price for this item is $73.99
    Save $6
    The previous price was $79.99

  6. Genuine HEPA Pure Replacement Filter M for GermGuardian Air Purifier Models AC4700BDLX and AC4700DLX - Black/White

    SKU: J3LFVTSZCJ

    Great!!!...Small fits in perfectly my tiny living room,works Great and is so very quiet,best purchase ever....Best price.

    Product Description

    A black and white HEPA and activated carbon filter captures 99.97% of allergens and odors.
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    Your price for this item is $29.99
    Save $10
    The previous price was $39.99

  7. Pure Enrichment - 2-in-1 True HEPA Replacement Filter for the PureZone Breeze Air Purifier (PECOMPAP) - Gray

    SKU: J3LF7PK9S3

    Love love love...Great purifier and filter for small spaces....I love that it's got 2 layers of filtration to really clean the air....LOVE IT...LOVE THIS PURIFIER KEEPS A CLEAN FRESH SMELL THROUGHOUT

    Product Description

    A grey 2-in-1 replacement filter with True HEPA and activated carbon layers for cleaner indoor air.
    See all Air Purifier Filters & Parts
    Your price for this item is $19.99

  8. HQRP - Cut-to-Fit Foam Air Filter Sheets 24 x 15 x 1/4 in, Washable Reusable, 2 Pack for Window AC

    SKU: J3ZSLC6795

    Product Description

    A washable, reusable foam filter sheet that captures dust and pet hair for cleaner air in multiple devices.
    See all Air Purifier Filters & Parts
    Your price for this item is $15.95

  9. Air Purifier Filter Replacement for DREO Air Purifier 337S

    SKU: J3GW9RCXRK

    Product Description

    A 3-stage HEPA filter that captures 99.97% of airborne contaminants for fresher, cleaner air.
    See all Air Purifier Filters & Parts
    Your price for this item is $29.99

  10. Perfect Aire - 18.75 in. H X 6 in. W Rectangular Carbon Pre-Filter 4 pk

    SKU: J39VSJHKFW

    Product Description

    A 4-pack of activated carbon pre-filters that reduces odors and extends your air purifier’s filter life.
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    Your price for this item is $47.28
    Save $0
    The previous price was $47.95
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FAQ

Small air filters are designed to help reduce common airborne contaminants such as dust, pollen, pet dander, smoke, and mold spores, improving indoor air quality.

Many small air filters are designed to fit portable air purifiers. Be sure to check the compatibility information on the product page to ensure a proper fit with your specific device.

Replacement frequency can vary by manufacturer, but most small air filters should be replaced every 3 to 6 months for optimal performance. Refer to your device's manual for specific recommendations.

Yes, certain small air filters, especially those with activated carbon layers, are effective at capturing and neutralizing pet odors, helping your space smell fresher.

Most small air filters are designed for easy, tool-free installation. Simply follow the instructions provided with your air purifier or filter packaging for a quick and hassle-free setup.