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
(40 Reviews)
Rating breakdown 40 reviews
5 Stars
39
4 Stars
1
3 Stars
0
2 Stars
0
1 Star
0
100%of customers recommend this product.
(
38 out of
38)
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
Huge blessing!
on July 20, 2026
Posted by: Tiffany H.
from US, United States
I have these little guys in all of our bedrooms, my office (medium) and a big boy in middle of the house......game changer! No more out of control sneezing!!!!
I would recommend this to a friend!
Written by a customer while visiting www.blueair.com
Customer Rating
5
511i filter
on July 12, 2026
Posted by: Joy h. F.
from US, United States
This filter fits well, and is easy to install. I feel better with a cleaner filter for my asthma.
I would recommend this to a friend!
Written by a customer while visiting www.blueair.com
Customer Rating
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
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
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
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
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
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