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Blue Signature™ Replacement Filter
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Blue Signature™ Replacement Filter

Compatible with Blue Signature™ Air Purifier

This filter is only compatible with the Blue Signature™

  • Designed for easy replacements, ensuring hassle-free maintenance for continuous clean air
  • Crafted with durable materials for a long-lasting filter
  • Effectively captures allergens like dust, pollen, and pet dander

  • Alerts when you need a new filter
  • RealTrack filter monitoring
  • Double* the
filter lifetime

Smart filtration, you can trust

7 stages of filtration,
10x more odor removal


HEPASilent filtration technology captures at least 99.97%² of tiny airborne pollutants down to 0.1 microns while OdorFence Technology captures common odor gases and breaks them down. It’s deep, effortless clean air you can feel, and smell, every day.

² Tested on PM2.5 up to 90 minutes.

4.3
Rated 4.3 out of 5 stars
Based on 33 reviews
Total 5 star reviews: 24
Total 4 star reviews: 1
Total 3 star reviews: 5
Total 2 star reviews: 0
Total 1 star reviews: 3
76%would recommend this product
Slide 1 selected
33 reviews
  • MG
    Michael G.
    Verified Buyer
    I do not recommend this product
    Rated 1 out of 5 stars
    4 months ago
    Terrible S&H

    I’m sure this is another one of those companies that’s trying to reduce packaging material and consequently, their environmental footprint. That all sounds well and good.. They sent the filter in its product box, a very thin cardboard material with no taping on any of the seams, just as if someone pulled the box off of a shelf on a retail store and slapped a mailing label on it. The box was all banged up like people have been playing football with it and it caused dents and impressions on the accordion style filter material. Just put the darn thing in a reasonable sized cardboard box,

    shipping it to your customers in a safe, solid and secure manner..

    BlueEU Staging
    4 months ago

    We’re sorry to hear about your experience with the Blue Signature Replacement Filter shipment. Your feedback on packaging and delivery condition is important, and we understand how disappointing this must have been. We’ll be sharing this with our team as we continue improving how products are protected in transit. If the filter performance seems affected, please don’t hesitate to reach out to our support team. We’re here to help.

  • NG
    Nancy G.
    Verified Buyer
    I do not recommend this product
    Rated 1 out of 5 stars
    13 hours ago
    Blueair signature

    I just bought the blue ass signature one month ago so I can’t read the filter. I did not get a replacement filter yet. It’s only over a month old.

    Nancy Garbarino

  • JR
    Jane R.
    Verified Buyer
    I recommend this product
    Rated 5 out of 5 stars
    1 week ago
    Blue Air max? the large one

    its great

  • GB
    Greg B.
    Verified Buyer
    I recommend this product
    Rated 4 out of 5 stars
    2 weeks ago
    New filter

    I was early in purchasing the filter.Because it had a I think in 999 warning, something like that.I had to take the air compressor and blow out the input.Take to it to clean it up, and then that warning went away... But the air purifiers works great

  • KM
    Kimberly M.
    Verified Buyer
    I recommend this product
    Rated 5 out of 5 stars
    2 weeks ago
    Best filter

    Removes all smells

    Particles