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Blueair 400 PF Repalcement Filter, Single Unit, White

A 2 Year Replacement Filter Warranty, Single Unit, Blueair 400 Pf Repalcement Filter, Optimal Performance

H&F Rating 37 reviews
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Results of our analysis:

We analyzed 209,584 reviews for 162 products in the Air Filters category.

We then analyzed 37 reviews for this product. Of these, 2 reviews were recent.

Around 35% of reviews were positive and about 59% were negative.

Final Score:

6.83 out of 10, based on these factors:

  • Compatibility
  • Easy to install
  • Easy to maintain
  • Filtration
  • Longevity
  • Overall satisfaction
  • Packaging
  • Quality of material
  • Size
  • Value for money
  • What buyers say about Blueair 400 PF Repalcement Filter, Single Unit, White

    I gave the machine to the charity because I was fed up with the stinky filters and realized they were not true HEPA filters and were instead overpriced dust filters.

    The Blueair replacement filter I have purchased many times from Amazon smells strongly of oil or chemical, and is not usable, even though I have been happy with it in the past.

    It seems to do its job well and is a little expensive, but that's nothing compared to the Blueair purifier.

    The Blue air device gets rid of a lot of the pollutants.

    The filter is easy to install.

    Common Questions


    Does the metal part of the filter go in either direction when you open the side panel?


    I was confused about it, so I asked a Blueair rep, and he said the metal side should be shown when the filter is inserted.


    I just got a new filter and it has a strong smell, is it supposed to go away eventually?


    I stopped using Blue Air a few years ago because it was so stinky and I couldn't tolerate the charcoal layer in the smoke stop.


    How many filters are in an order?


    The normal package has one filter, and it costs $50 each.


    I am in an office without windows and our computer server room is in there, which is better the smoke filter or regular?


    I think if you need a smoke filter, Blueair is better than you can get.


    Where is this filter manufactured?


    The filters are assembled in China and manufactured in the USA.

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