Customer reviews from www.blueair.com
Blueair - Genuine 511i Max Replacement Filter for 511i Max AHAM Certified HEPASilent 99.97% particles, odors Carbon Filter - White
Average customer rating
5 out of 5
5
(30 Reviews)
Open Ratings Snapshot
Rating breakdown 30 reviews
5 Stars
30
4 Stars
0
3 Stars
0
2 Stars
0
1 Star
0
100%of customers recommend this product. 
(
28 out of 28
)
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Customer Reviews for Blueair - Genuine 511i Max Replacement Filter for 511i Max AHAM Certified HEPASilent 99.97% particles, odors Carbon Filter - White
Customer Rating
5 out of 5
5
Fast and Quite....
on May 11, 2026
Posted by: MICHAEL S.
from US, United States
Hardly tell it is running, and cleans air like a champ...
I would recommend this to a friend!
Written by a customer while visiting www.blueair.com
Customer Rating
5 out of 5
5
Fresh air
on May 12, 2026
Posted by: Karen P.
from US, United States
The air in my home is much improved and much less dust. My nose hasn’t been running like it did before I got this air filter. I’m very happy.
I would recommend this to a friend!
Written by a customer while visiting www.blueair.com
Customer Rating
5 out of 5
5
Solid solid product
on May 27, 2026
Posted by: Sam V.
from US, United States
This Blue 511i max is pretty awesome very impressed with system and filter life is incredible
I would recommend this to a friend!
Written by a customer while visiting www.blueair.com
Customer Rating
5 out of 5
5
Great filter
on May 29, 2026
Posted by: Michael D.
from US, United States
Old filter was in need of a change. New one came in and now my space is in excellent air conditioning.
I would recommend this to a friend!
Written by a customer while visiting www.blueair.com
Customer Rating
5 out of 5
5
Cleans and deodorizes air
on June 2, 2026
Posted by: John W.
from US, United States
My 511 is a blessing! I have two small room units and both do quite well in. Euyralizing odors of all kinds in the two rooms they occupy.
I would recommend this to a friend!
Written by a customer while visiting www.blueair.com
Customer Rating
5 out of 5
5
Blue Pure 511i Max Particle + Carbon Filter
on June 18, 2026
Posted by: David M.
from US, United States
The unit does an excellent job with minimal noise.
I would recommend this to a friend!
Written by a customer while visiting www.blueair.com
Customer Rating
5 out of 5
5
Title?
on July 3, 2026
Posted by: Steve S.
from US, United States
Impressed with the ease of removing the old and installing the new filter. Impressive device design and instructions!
I would recommend this to a friend!
Written by a customer while visiting www.blueair.com
Customer Rating
5 out of 5
5
Air Purifier far exceeds expectations
on July 25, 2025
Posted by: Anonymous
from Rio Vista, CA
Gender:Female
Verified Purchase:Yes
The max particle + carbon filter does an amazing job cleaning the air in multiple rooms. Since purchasing our Blue Air Purifier, I haven't head any head congestion or sinus infections. I did purchase the smoke filter and allergen filter thinking I would need more support during high allergy seasons and summer fires but so far the Max Particle + Carbon filter have kept unwanted particles under control. Couldn't be happier with this investment.
I would recommend this to a friend!
Written by a customer while visiting www.blueair.com
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