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Blue Signature™ Large Pre-Filter

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Blue Signature™ Large Pre-Filter

Compatible with Blue Signature™ Air Purifier

4.2
Rated 4.2 out of 5 stars
18 Reviews
Select Color
Nordic Fog

  • Captures dust, hair, & pet dander before it reaches the main filter
  • Choose from 6 colors that blend effortlessly into your home
  • Inspired by Scandinavian nature and interior palettes
  • Machine-washable effortless maintenance
  • Device sold separately
Blueair Blue Signature Large Pre-Filter in Nordic Fog

Technical Specifications

  • Filter Type

    Fabric pre-filter 100% polyester, Stretch panel 94% polyamide 6% spandex

  • Dimensions(HxWxD)

    14.0 x 0.08 x 15.2

  • Product Weight

    0.15 lb
4.2
Rated 4.2 out of 5 stars
Based on 18 reviews
Total 5 star reviews: 11
Total 4 star reviews: 3
Total 3 star reviews: 1
Total 2 star reviews: 2
Total 1 star reviews: 1
78%would recommend this product
Write a Review (Opens in a new window)
18 reviews
  • JB
    James B.
    Verified Buyer
    3 minutes ago
    Rated 5 out of 5 stars
    Great color choices

    This color and the quality are great - just like the original.

    Was this helpful?
  • AA
    Amanda A.
    Verified Buyer
    4 weeks ago
    Rated 5 out of 5 stars
    I LOVE it

    Oh my gosh I’m so grateful for this filter. I love seeing it clean the air on the app

    Was this helpful?
  • WR
    Wayne R.
    Verified Buyer
    1 month ago
    Rated 5 out of 5 stars
    Blue clean

    Does a great job. Rarely even hear it. Filters don’t allow any bypass.

    Was this helpful?
    BU Profile picture for Blueair UK
    Blueair UK
    1 month ago

    Thank you for sharing your feedback with us. We are delighted to hear that you appreciate how the Blue Signature unit works and cleans the air. Your valuable input sincerely encourages and motivates our entire team to keep delivering high-quality products and exceptional customer service.

  • EM
    Edward M.
    Verified Buyer
    1 month ago
    Rated 5 out of 5 stars
    Quiet worker

    Seems to work OK, replaced a Blueair 510 that worked for 21 years. Much different now, that's progress.

    Was this helpful?
  • TL
    Timothy L.
    Verified Buyer
    1 month ago
    Rated 5 out of 5 stars
    Very sensitive

    Responds quickly to change in air quality - very quiet over all

    Was this helpful?

¹ Based on high-speed CADR by volume vs. similar competitive models

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