










🌿 Breathe smarter, live cleaner — the future of fresh air is here.
The Blueair 7400 Replacement SmartFilter is engineered for Protect 7470i and 7410i air purifiers, combining electrostatic and mechanical filtration to rapidly and quietly remove airborne particles, viruses, and odors. Featuring GermShield technology, it kills 99% of germs and prevents microbial growth even on standby. Its smart RFID chip and algorithm track pollutant levels and filter life, ensuring optimal performance up to one year with automated replacement reminders. Certified zero ozone and independently tested, this filter guarantees safe, efficient, and eco-friendly air purification for large spaces.





| ASIN | B08G9Z69DJ |
| Batteries Required? | No |
| Best Sellers Rank | #19,897 in Kitchen ( See Top 100 in Kitchen ) #135 in Air Purifier Filters |
| Brand Name | BLUEAIR |
| Color | White |
| Compatible Device | Air Purifier |
| Customer Reviews | 4.7 4.7 out of 5 stars (223) |
| Date First Available | 23 August 2020 |
| Included Components | Replacement Filter |
| Item Weight | 940 g |
| Material Type | Fiberglass, Polypropylene, Carbon |
| Model Info | Blueair 7400 |
| Part Number | F7400 |
| Product Dimensions | 33.53 x 23.88 x 8.64 cm; 940 g |
C**O
These filters aren't cheap to buy but ours lasted almost a year with constant use. The filter is real easy to replace. We have 3 air purifiers throughout our house and the Blue Air 7400 is by far the best.
R**T
A necessary item for my air purifier. Fits perfectly and eliminates the need for me to contact the parent company.
I**E
Works as advertised. OEM guaranteed to work. This resolved my issue where the fan would be on auto and alternate between full-blast and minimal strength.
M**A
Got this on prime day deal, perfect timing since my filter was almost used up. Exact fit for my air purifier
K**S
Blueair makes wonderful filters for their wonderful air cleaners. Everybody should have one.
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