400 Series Filters

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400 Series Filters

Filter service life for air purifiers in the 400 Series is six months.

The 400 Series Filter includes one polypropylene particle filter.

The 400 Series SmokeStop Filter contains more activated carbon for better gas and odor removal.

400 Series SmokeStop Filter

Blueair 400 Series SmokeStop Filter400 Series SmokeStop Filter

  • 402 & 450E Compatible
  • Six-month filter life
  • One replacement filter
  • Biodegradable
  • Better gas removal
  • Better odor removal

    • * Free FedEx Ground Shipping for orders over $59 * Except Hawaii & Alaska

    MSRP: $119.95 / Item Code: 689122000145

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    400 Series Filter

    Blueair 400 Series Filter400 Series Filter

  • 402 & 450E Compatible
  • Six-month filter life
  • One replacement filter
  • Biodegradable

    • * Free FedEx Ground Shipping for orders over $59 * Except Hawaii & Alaska

    MSRP: $59.95 / Item Code: 689122000138

    Buy Here



    Blueair Store® - 400 Series Filters