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Protect 7400 Series SmartFilter
Protect 7400 Series SmartFilter
Protect 7400 Series SmartFilter
Protect 7400 Series SmartFilter
Protect 7400 Series SmartFilter
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Protect 7400 Series SmartFilter
Protect 7400 Series SmartFilter
Protect 7400 Series SmartFilter
Protect 7400 Series SmartFilter
Protect 7400 Series SmartFilter
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Protect 7400 Series SmartFilter

Compatible with 7410i • 7470i

4.1
Rated 4.1 out of 5 stars
73 Reviews
Use code FILTER15 for 15% off
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Smart Filtration, you can trust

  • Fast & free shipping

  • 30 day home trial

  • Authenticity guaranteed

FAQ

Depending on usage, your filter will last up to 9 months.

It’s important to change your filter when needed because dirty filters clean the air less efficiently, reducing the purifier's ability to capture pollutants and affecting overall air quality in your space.

4.1
Rated 4.1 out of 5 stars
Based on 73 reviews
Total 5 star reviews: 48
Total 4 star reviews: 7
Total 3 star reviews: 3
Total 2 star reviews: 4
Total 1 star reviews: 11
75%would recommend this product
73 reviews
  • SG
    Steven G.
    Verified Buyer
    3 minutes ago
    Rated 5 out of 5 stars
    Excellent air purification!!

    With all the wildfires on our planet this summer, the Protect 7400 has helped our family breathe easier and sleep soundly through the nights. The best thing was how the unit kicked into high mode automatically and worked for several days cleaning / purifying the air and then once the smoke cleared, the unit shifted back to normal mode. The entire family loves this unit for the clean purified air we breathe!!!

  • JB
    Jennifer B.
    Verified Buyer
    Yesterday
    Rated 5 out of 5 stars
    Filter is great

    Right on the money

  • DA
    David A.
    Verified Buyer
    6 days ago
    Rated 5 out of 5 stars
    quiet and clean

    I love my air machine. so I chose to use approved filters to keep the air clean. It works well, even for wildfire smoke.

  • CG
    Charlene G.
    Verified Buyer
    1 week ago
    Rated 5 out of 5 stars
    Cleaner, fresher air at the touch of a button.

    Having good-quality air in your home is essential to maintaining a healthy lifestyle especially with Protect 7400 Series SmartFilter helping with wildfire smoke! Best Product Ever.

  • JC
    Jonathan C.
    Verified Buyer
    2 weeks ago
    Rated 3 out of 5 stars
    Ineffective at handling odors and VOCs but good on dust and self containing. Also not biodegradable.

    The unit is neatly packaged but relies on lots of non-sustainable materials. Couple this with the cost and mass of the unit and I feel like it’s a necessary evil. It’s Ineffective at handling odors and VOCs in my home but great on capturing dust and is easy to replace cleanly. I look forward to a sustainable option from Blu Air or a competitor.

    BU Profile picture for Blueair UK
    Blueair UK
    2 weeks ago

    We want to thank you sincerely for sharing such a candid, thoughtful, and incredibly balanced perspective with us. It is completely understandable to feel a sense of conflict when a product does a stellar job of keeping your air clear of physical dust, yet leaves you wishing its environmental footprint and odor-neutralizing performance were more aligned with your personal values. Our dedicated support team will be reaching out to you shortly to assist you further and address any concerns you may have.