Blue Pure 511i Max HEPASilent smart air purifier quickly cleans
up to 465sqft living space in 30min or 193 sqft in about 12.5min
on high. Independently evaluated for safety standards and
third-party tested for performance as part of the AHAM Verifide
Program for air cleaners, this air purifier has a Clean Air
Delivery Rate (CADR) of 125 for fine smoke particles, dust and
pollen. Get more out of the filter thanks to our proprietary
RealTrack algorithm where fan speed, usage time and pollution
levels are used to calculate exactly how dirty the filter is
based on actual usage and tells you more accurately when to
replace it within 9 months. Shop genuine Blueair Blue Pure F5MAX
replacement filter designed for optimal performance: Blue Pure
511i Max air purifier replacement filter B08KPJG1HS. Also,
available: F5MAX SmokeBlock Filter(B08KQLZXKF), and F5MAX
AllergenBlock Filter(B08KQJBPQ2) to fit your needs. Blueair is
the only line of air purifiers with a customizable, washable
fabric pre-filter. Inspired by the latest Scandinavian design
trend, Blue Pure Max air purifiers arrive in the Stockholm Fog
pre-filter, while Limestone, Moss and Sand pre-filters are sold
separately. *Comparing pollen CADR on high fan speed (Blue Pure
411a Max & 411i Max vs. Blue 411 Auto), other units may
vary.Based on AHAM maximum allowable certified rating which may
vary from the AHAM seal claimed valued.Noise refers to the dB(A)
difference in acoustic power. **When similar CADR was measured,
Blueair models with mechanical and electrostatic filtration
achieved less noise with less energy than same models with only
H13 HEPA mechanical filtration. ***Tested PM 2.5 (0.1 - 2.5
microns) up to 90min in a 30m3 room. Tested to remove min. 99.9%
of S. aureus, K. pneumoniae, P. aeruginosa, MS2, E.Coli, H1N1,
A.Niger.
Review: Powerful, Quiet, and Makes a Noticeable Difference in Air
Quality - I recently got the Blueair Blue Pure 511i Max Air
Purifier for my home, and so far it’s been working great. Right
out of the box it was easy to set up, and after running it for a
few days I could tell the air felt cleaner and fresher with less
dust and airborne particles floating around. One of the strongest
points of the Blueair Blue Pure 511i Max is how quiet it runs.
Even on moderate fan speeds, it stays unobtrusive — perfect for
bedrooms, living spaces, or any area where background noise
matters. It uses Blueair’s HEPASilent technology to pull in air
from all around the unit and effectively capture dust, allergens,
smoke particles, and pet dander. It’s designed to clean up to
around 926 sq ft of air in one hour, which makes it a solid
choice for larger rooms or open floor plans. I also appreciate
the filter performance — it feels efficient without feeling like
the airflow is restricted. Although it’s compact, it doesn’t feel
like a small unit; it feels like it’s doing meaningful work when
it’s running. Several friends I’ve recommended it to have noted
reduction in odor and pollen after a couple days of use. In
short, if you’re looking for an air purifier that’s easy to use,
effective, and quiet, the Blueair Blue Pure 511i Max is worth it.
I’ll update with photos and a short video soon once I’ve had more
time with it, but so far this has been a strong addition to my
air quality setup.
Review: Works Great, App is User Friendly/Informative - So far,
this air purifier has been excellent. The app is very detailed
and easy to use, and I like how it explains the readings and what
each level means. The technology is great, and the system
actually adjusts on its own when windows are open, while
cleaning, or when cooking. I do prefer the smart display on the
larger unit, but this definitely gets the job done for bedrooms.
It runs much quieter than it sounds in up-close videos, even on
higher fan speeds. The air feels noticeably cleaner. We have
noticed a difference in stuffiness and allergies. We have one
large unit for the main floor and two medium ones for bedrooms. I
plan to buy at least one more large and three more medium units
because they work that well. Great value for the price and
quality. I run these all the time at the moment, but love the
option to schedule. The size is perfect for a bedroom.
