Best Buy Tech Fest SaleEnds Sunday. Limited quantities. No rainchecks.Shop now

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air purifier filters & parts

5 Inch Filters

Browse the top-ranked list of 5 inch filters below along with associated reviews and opinions.

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  1. Flanders - 16 in. W X 20 in. H X 5 in. D Synthetic 8 MERV Pleated Air Filter 1 pk

    SKU: J7334QRLSF

    Product Description

    A deep-pleated synthetic electrostatic air filter that captures dust, pollen, and mold spores with MERV 8 efficiency.
    See all Air Purifier Filters & Parts
    Your price for this item is $94.09
    Save $47
    The previous price was $141.35

  2. Flanders - 20 in. W X 20 in. H X 5 in. D Synthetic 8 MERV Pleated Air Filter 1 pk

    SKU: J7334QRL9X

    Product Description

    A synthetic pleated air filter with MERV 8 rating that captures dust, pollen, and pet dander efficiently.
    See all Air Purifier Filters & Parts
    Your price for this item is $94.09
    Save $47
    The previous price was $141.35

  3. Petkit - Fountain Filter Unit 3.0 (5pcs) - White

    SKU: CZTK5CPL8C

    Product Description

    A white composite multi-layer filter that removes impurities and odors, ensuring fresh, healthy water for cats.
    See all Litter Boxes & Accessories
    Your price for this item is $19.99
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In-store pricing may vary. Prices and offers are subject to change. © 2026 Best Buy. All rights reserved. BEST BUY, the BEST BUY logo, the tag design, and MY BEST BUY are trademarks of Best Buy and its affiliated companies.